diff --git a/src/components/FluidChart/FluidChart.tsx b/src/components/FluidChart/FluidChart.tsx
index 17b76108f3128d5be62d8615d0bf34beb168851b..88f3f6f74e403f61d84d3dcdba78dbeac7896106 100644
--- a/src/components/FluidChart/FluidChart.tsx
+++ b/src/components/FluidChart/FluidChart.tsx
@@ -148,8 +148,9 @@ const FluidChart: React.FC<FluidChartProps> = ({
               </div>
             ) : null}
           </div>
-          {fluidStatus.length > 0 && openOldFluidDataModal && (
+          {fluidStatus.length > 0 && (
             <OldFluidDataModal
+              open={openOldFluidDataModal}
               fluidStatus={fluidStatus}
               fluidOldData={fluidOldData}
               handleCloseClick={handleCloseClick}
diff --git a/src/components/Home/OldFluidDataModal.spec.tsx b/src/components/Home/OldFluidDataModal.spec.tsx
index bd1fb404da77168006c0185f40a9186c101d9ce6..19af0e9fc5f9f2914f53a1f2d0b8b30a25cbf421 100644
--- a/src/components/Home/OldFluidDataModal.spec.tsx
+++ b/src/components/Home/OldFluidDataModal.spec.tsx
@@ -1,52 +1,55 @@
-import React from 'react'
-import { shallow } from 'enzyme'
-import OldFluidDataModal from 'components/Home/OldFluidDataModal'
-import { FluidType } from 'enum/fluid.enum'
-
-jest.mock('cozy-ui/transpiled/react/I18n', () => {
-  return {
-    useI18n: jest.fn(() => {
-      return {
-        t: (str: string) => str,
-      }
-    }),
-  }
-})
-const handleCloseClick = jest.fn()
-
-describe('OldFluidDataModal component', () => {
-  it('should be rendered correctly', () => {
-    const component = shallow(
-      <OldFluidDataModal
-        handleCloseClick={handleCloseClick}
-        fluidStatus={[]}
-        fluidOldData={[FluidType.ELECTRICITY, FluidType.GAS]}
-      />
-    ).getElement()
-    expect(component).toMatchSnapshot()
-  })
-  it('should render errored konnectors', () => {
-    //TODO Change useState konnectorError in order to test the other part of component
-    const wrapper = shallow(
-      <OldFluidDataModal
-        handleCloseClick={handleCloseClick}
-        fluidStatus={[]}
-        fluidOldData={[FluidType.ELECTRICITY, FluidType.GAS]}
-      />
-    )
-
-    setTimeout(() => {
-      expect(wrapper.find('.buttons').find('.btn-highlight').length).toEqual(1)
-    }, 300)
-  })
-  it('should render fluid provider error', () => {
-    const wrapper = shallow(
-      <OldFluidDataModal
-        handleCloseClick={handleCloseClick}
-        fluidStatus={[]}
-        fluidOldData={[FluidType.ELECTRICITY, FluidType.GAS]}
-      />
-    )
-    expect(wrapper.exists('.providerProblem')).toEqual(true)
-  })
-})
+import React from 'react'
+import { shallow } from 'enzyme'
+import OldFluidDataModal from 'components/Home/OldFluidDataModal'
+import { FluidType } from 'enum/fluid.enum'
+
+jest.mock('cozy-ui/transpiled/react/I18n', () => {
+  return {
+    useI18n: jest.fn(() => {
+      return {
+        t: (str: string) => str,
+      }
+    }),
+  }
+})
+const handleCloseClick = jest.fn()
+
+describe('OldFluidDataModal component', () => {
+  it('should be rendered correctly', () => {
+    const component = shallow(
+      <OldFluidDataModal
+        open={true}
+        handleCloseClick={handleCloseClick}
+        fluidStatus={[]}
+        fluidOldData={[FluidType.ELECTRICITY, FluidType.GAS]}
+      />
+    ).getElement()
+    expect(component).toMatchSnapshot()
+  })
+  it('should render errored konnectors', () => {
+    //TODO Change useState konnectorError in order to test the other part of component
+    const wrapper = shallow(
+      <OldFluidDataModal
+        open={true}
+        handleCloseClick={handleCloseClick}
+        fluidStatus={[]}
+        fluidOldData={[FluidType.ELECTRICITY, FluidType.GAS]}
+      />
+    )
+
+    setTimeout(() => {
+      expect(wrapper.find('.buttons').find('.btn-highlight').length).toEqual(1)
+    }, 300)
+  })
+  it('should render fluid provider error', () => {
+    const wrapper = shallow(
+      <OldFluidDataModal
+        open={true}
+        handleCloseClick={handleCloseClick}
+        fluidStatus={[]}
+        fluidOldData={[FluidType.ELECTRICITY, FluidType.GAS]}
+      />
+    )
+    expect(wrapper.exists('.providerProblem')).toEqual(true)
+  })
+})
diff --git a/src/components/Home/OldFluidDataModal.tsx b/src/components/Home/OldFluidDataModal.tsx
index 5b4043c643dfbdc0e6a26af0bc0de99828567a2d..0bd859cef607dbbfbe6b6178a24d7b1a0756a729 100644
--- a/src/components/Home/OldFluidDataModal.tsx
+++ b/src/components/Home/OldFluidDataModal.tsx
@@ -1,21 +1,24 @@
 import React, { useState, useEffect, useCallback } from 'react'
+import './oldFluidDataModal.scss'
 import { useI18n } from 'cozy-ui/transpiled/react/I18n'
-import Modal from 'components/CommonKit/Modal/Modal'
-import WarnCross from 'assets/icons/ico/warn-cross.svg'
-import StyledIcon from 'components/CommonKit/Icon/StyledIcon'
-import MuiButton from '@material-ui/core/Button'
 import { useHistory } from 'react-router-dom'
 
-import { FluidState, FluidType } from 'enum/fluid.enum'
 import { FluidStatus } from 'models'
-import './oldFluidDataModal.scss'
+import { FluidState, FluidType } from 'enum/fluid.enum'
+import WarnCross from 'assets/icons/ico/warn-cross.svg'
+import Icon from 'cozy-ui/transpiled/react/Icon'
+import Dialog from '@material-ui/core/Dialog'
+import Button from '@material-ui/core/Button'
+
 interface OldFluidDataModalProps {
+  open: boolean
   fluidStatus: FluidStatus[]
   fluidOldData: FluidType[]
   handleCloseClick: () => void
 }
 
 const OldFluidDataModal: React.FC<OldFluidDataModalProps> = ({
+  open,
   fluidStatus,
   fluidOldData,
   handleCloseClick,
@@ -47,16 +50,29 @@ const OldFluidDataModal: React.FC<OldFluidDataModalProps> = ({
   }, [checkFluidDataDate])
 
   return (
-    <Modal handleCloseClick={handleCloseClick}>
+    <Dialog
+      open={open}
+      disableBackdropClick
+      disableEscapeKeyDown
+      onClose={handleCloseClick}
+      aria-label={t('old_fluid_data_modal.accessibility.window_title')}
+      classes={{
+        root: 'modal-root',
+        paper: 'modal-paper',
+      }}
+    >
       <div className="od-content">
         <div className="od-warning">
-          <StyledIcon icon={WarnCross} size={40} />
-          <p className="text-20-bold">{t('modalOldData.errorTxt')}</p>
+          <Icon icon={WarnCross} size={40} />
+          <p className="text-20-bold">{t('old_fluid_data_modal.errorTxt')}</p>
         </div>
-        <p className="od-main text-16-bold"> {t('modalOldData.oldData')}</p>
+        <p className="od-main text-16-bold">
+          {' '}
+          {t('old_fluid_data_modal.oldData')}
+        </p>
         {konnectorError ? (
           <div className="verifyState">
-            <p className="text-16-normal">{t('modalOldData.verify')}</p>
+            <p className="text-16-normal">{t('old_fluid_data_modal.verify')}</p>
             <ul className="od-konnectorsList">
               {erroredKonnectors.map((err, index) => {
                 return (
@@ -70,29 +86,37 @@ const OldFluidDataModal: React.FC<OldFluidDataModalProps> = ({
               })}
             </ul>
             <div className="buttons">
-              <MuiButton
+              <Button
+                aria-label={t(
+                  'old_fluid_data_modal.accessibility.button_later'
+                )}
                 onClick={handleCloseClick}
                 classes={{
                   root: 'btn-secondary-positive',
                   label: 'text-16-normal',
                 }}
               >
-                {t('modalOldData.later')}
-              </MuiButton>
-              <MuiButton
+                {t('old_fluid_data_modal.later')}
+              </Button>
+              <Button
+                aria-label={t(
+                  'old_fluid_data_modal.accessibility.button_goto_konnector'
+                )}
                 onClick={redirectToKonnectors}
                 classes={{
                   root: 'btn-highlight',
                   label: 'text-16-bold',
                 }}
               >
-                {t('modalOldData.accessButton')}
-              </MuiButton>
+                {t('old_fluid_data_modal.accessButton')}
+              </Button>
             </div>
           </div>
         ) : (
           <div className="providerProblem">
-            <p className="text-16-normal">{t('modalOldData.problem')}</p>
+            <p className="text-16-normal">
+              {t('old_fluid_data_modal.problem')}
+            </p>
             <ul className="od-konnectorsList">
               {fluidOldData.map((err, index) => {
                 return (
@@ -105,20 +129,23 @@ const OldFluidDataModal: React.FC<OldFluidDataModalProps> = ({
                 )
               })}
             </ul>
-            <p className="text-16-normal">{t('modalOldData.contact')}</p>
-            <MuiButton
+            <p className="text-16-normal">
+              {t('old_fluid_data_modal.contact')}
+            </p>
+            <Button
+              aria-label={t('old_fluid_data_modal.accessibility.button_ok')}
               onClick={handleCloseClick}
               classes={{
                 root: 'btn-highlight',
                 label: 'text-16-bold',
               }}
             >
-              {t('modalOldData.ok')}
-            </MuiButton>
+              {t('old_fluid_data_modal.ok')}
+            </Button>
           </div>
         )}
       </div>
-    </Modal>
+    </Dialog>
   )
 }
 
diff --git a/src/components/Home/__snapshots__/OldFluidDataModal.spec.tsx.snap b/src/components/Home/__snapshots__/OldFluidDataModal.spec.tsx.snap
index aea1d8052528da633ccffe5a230a2934fc7d3072..278ed2c88b6e5d709d8a56369f907fa69a5c7669 100644
--- a/src/components/Home/__snapshots__/OldFluidDataModal.spec.tsx.snap
+++ b/src/components/Home/__snapshots__/OldFluidDataModal.spec.tsx.snap
@@ -1,8 +1,18 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
 exports[`OldFluidDataModal component should be rendered correctly 1`] = `
-<Modal
-  handleCloseClick={[MockFunction]}
+<ForwardRef(WithStyles)
+  aria-label="old_fluid_data_modal.accessibility.window_title"
+  classes={
+    Object {
+      "paper": "modal-paper",
+      "root": "modal-root",
+    }
+  }
+  disableBackdropClick={true}
+  disableEscapeKeyDown={true}
+  onClose={[MockFunction]}
+  open={true}
 >
   <div
     className="od-content"
@@ -10,21 +20,22 @@ exports[`OldFluidDataModal component should be rendered correctly 1`] = `
     <div
       className="od-warning"
     >
-      <StyledIcon
+      <Icon
         icon="test-file-stub"
         size={40}
+        spin={false}
       />
       <p
         className="text-20-bold"
       >
-        modalOldData.errorTxt
+        old_fluid_data_modal.errorTxt
       </p>
     </div>
     <p
       className="od-main text-16-bold"
     >
        
-      modalOldData.oldData
+      old_fluid_data_modal.oldData
     </p>
     <div
       className="providerProblem"
@@ -32,7 +43,7 @@ exports[`OldFluidDataModal component should be rendered correctly 1`] = `
       <p
         className="text-16-normal"
       >
-        modalOldData.problem
+        old_fluid_data_modal.problem
       </p>
       <ul
         className="od-konnectorsList"
@@ -47,9 +58,10 @@ exports[`OldFluidDataModal component should be rendered correctly 1`] = `
       <p
         className="text-16-normal"
       >
-        modalOldData.contact
+        old_fluid_data_modal.contact
       </p>
       <ForwardRef(WithStyles)
+        aria-label="old_fluid_data_modal.accessibility.button_ok"
         classes={
           Object {
             "label": "text-16-bold",
@@ -58,9 +70,9 @@ exports[`OldFluidDataModal component should be rendered correctly 1`] = `
         }
         onClick={[MockFunction]}
       >
-        modalOldData.ok
+        old_fluid_data_modal.ok
       </ForwardRef(WithStyles)>
     </div>
   </div>
-</Modal>
+</ForwardRef(WithStyles)>
 `;
diff --git a/src/locales/fr.json b/src/locales/fr.json
index d2fe7afe00d80d52e2607b58f682db12c234535d..effbce4f4c4d648edb582a15accd8ad885fb63d3 100644
--- a/src/locales/fr.json
+++ b/src/locales/fr.json
@@ -311,7 +311,7 @@
       "button_close": "Fermer la fenêtre de partage de retours"
     }
   },
-  "modalOldData": {
+  "old_fluid_data_modal": {
     "errorTxt": "Aïe !",
     "oldData": "Vos données semblent anciennes",
     "verify": "Veuillez vérifier l’état de vos connecteurs : ",
@@ -319,7 +319,13 @@
     "contact": "Veuillez prendre contact directement avec eux.",
     "accessButton": "Accéder aux connecteurs",
     "later": "Plus tard",
-    "ok": "Ok"
+    "ok": "Ok",
+    "accessibility": {
+      "window_title": "Fenètre d'information",
+      "button_ok": "Fermer la fenètre",
+      "button_later": "Fermer la fenètre",
+      "button_goto_konnector": "Aller aux connecteurs"
+    }
   },
   "analysis": {
     "viewTitle": "Analyse",