diff --git a/src/constants/consumptionConstants/electricSpecific.json b/src/constants/consumptionConstants/electricSpecific.json
index 17bef6c57f9a2fac40bf69d45a8cb824545f16a5..dafba211eed8568ce1d68db3b5b0450c9311a378 100644
--- a/src/constants/consumptionConstants/electricSpecific.json
+++ b/src/constants/consumptionConstants/electricSpecific.json
@@ -4,7 +4,7 @@
     "between_1948_and_1974": 3130,
     "between_1975_and_1989": 2900,
     "between_1990_and_1998": 3230,
-    "after_1999": 2900,
+    "after_1998": 2900,
     "unknown": 2900
   },
   "appartment": {
@@ -12,7 +12,7 @@
     "between_1948_and_1974": 1880,
     "between_1975_and_1989": 1780,
     "between_1990_and_1998": 1670,
-    "after_1999": 2060,
+    "after_1998": 2060,
     "unknown": 2060
   }
 }
diff --git a/src/constants/consumptionConstants/heating.json b/src/constants/consumptionConstants/heating.json
index 88435daa11683dd96a5c593087113afdc5ae4c40..4cde7717836d6d7660c229fdf7e303d35d30f043 100644
--- a/src/constants/consumptionConstants/heating.json
+++ b/src/constants/consumptionConstants/heating.json
@@ -5,7 +5,7 @@
       "between_1948_and_1974": 184,
       "between_1975_and_1989": 140,
       "between_1990_and_1998": 129,
-      "after_1999": 106,
+      "after_1998": 106,
       "unknown": 106
     },
     "appartment": {
@@ -13,7 +13,7 @@
       "between_1948_and_1974": 150,
       "between_1975_and_1989": 105,
       "between_1990_and_1998": 73,
-      "after_1999": 74,
+      "after_1998": 74,
       "unknown": 74
     }
   },
@@ -80,7 +80,7 @@
       "roof_and_wall_insulation": -0.1,
       "window_replacement_and_roof_and_wall_insulation": -0.15
     },
-    "after_1999": {
+    "after_1998": {
       "none": 0,
       "roof_insulation": 0,
       "window_replacement": 0,
diff --git a/src/enum/profileType.enum.ts b/src/enum/profileType.enum.ts
index cda8a6325f5ba5fbc7940b99c9c2efd016407e6f..c4134f2a98af8ca6f4af02f9ccbd23e751f85567 100644
--- a/src/enum/profileType.enum.ts
+++ b/src/enum/profileType.enum.ts
@@ -21,7 +21,7 @@ export enum ConstructionYear {
   BETWEEN_1948_AND_1974 = 'between_1948_and_1974',
   BETWEEN_1975_AND_1989 = 'between_1975_and_1989',
   BETWEEN_1990_AND_1998 = 'between_1990_and_1998',
-  AFTER_1999 = 'after_1999',
+  AFTER_1998 = 'after_1998',
   UNKNOWN = 'unknown',
 }
 
diff --git a/src/locales/fr.json b/src/locales/fr.json
index 8cc940e422afe3871488edaea339aae9e3d19a87..001f6874eef1fa9dec78d204052adfc6503cc6d5 100644
--- a/src/locales/fr.json
+++ b/src/locales/fr.json
@@ -569,13 +569,13 @@
       "text_between_1948_and_1974": "Construit entre 1948 et 1974",
       "text_between_1975_and_1989": "Construit entre 1975 et 1989",
       "text_between_1990_and_1998": "Construit entre 1990 et 1998",
-      "text_after_1999": "Construit après 1999",
-      "text_unknown": "Construit après 1999",
+      "text_after_1998": "Construit après 1998",
+      "text_unknown": "Construit après 1998",
       "before_1948": "Avant 1948",
       "between_1948_and_1974": "Entre 1948 et 1974",
       "between_1975_and_1989": "Entre 1975 et 1989",
       "between_1990_and_1998": "Entre 1990 et 1998",
-      "after_1999": "Après 1999",
+      "after_1998": "Après 1998",
       "unknown": "Je ne sais pas"
     },
     "occupantsNumber": {
diff --git a/src/services/profileType.service.ts b/src/services/profileType.service.ts
index 37b42d07bd61bd400f8e6fea7e803a8e2cde4a16..c750cf72338b1ba14a898b1a1d2efb5a8e1255fd 100644
--- a/src/services/profileType.service.ts
+++ b/src/services/profileType.service.ts
@@ -83,7 +83,7 @@ export default class ProfileTypeService {
 
     if (
       !individualInsulationWork.includes(IndividualInsulationWork.NONE) &&
-      constructionYear !== ConstructionYear.AFTER_1999 &&
+      constructionYear !== ConstructionYear.AFTER_1998 &&
       heating !== IndividualOrCollective.COLLECTIVE
     ) {
       const correctionsInsulation: { [key: string]: number } =
@@ -482,7 +482,7 @@ export default class ProfileTypeService {
           ? ProfileTypeStepForm.WARMING_FLUID
           : ProfileTypeStepForm.COLD_WATER
       case ProfileTypeStepForm.WARMING_FLUID:
-        return this.profileType.constructionYear === ConstructionYear.AFTER_1999
+        return this.profileType.constructionYear === ConstructionYear.AFTER_1998
           ? ProfileTypeStepForm.VENTILATION
           : ProfileTypeStepForm.INDIVIDUAL_INSULATION_WORK
       case ProfileTypeStepForm.INDIVIDUAL_INSULATION_WORK:
@@ -536,7 +536,7 @@ export default class ProfileTypeService {
       case ProfileTypeStepForm.INDIVIDUAL_INSULATION_WORK:
         return ProfileTypeStepForm.WARMING_FLUID
       case ProfileTypeStepForm.VENTILATION:
-        return this.profileType.constructionYear === ConstructionYear.AFTER_1999
+        return this.profileType.constructionYear === ConstructionYear.AFTER_1998
           ? ProfileTypeStepForm.WARMING_FLUID
           : ProfileTypeStepForm.INDIVIDUAL_INSULATION_WORK
       case ProfileTypeStepForm.HEATER_REPLACEMENT:
diff --git a/src/store/profile/profile.reducer.ts b/src/store/profile/profile.reducer.ts
index 4d8391817135d10be5811438630a9de955b8139e..d21452ad2748c51adfc47670c30fd67f711d2487 100644
--- a/src/store/profile/profile.reducer.ts
+++ b/src/store/profile/profile.reducer.ts
@@ -33,7 +33,7 @@ const initialState: Profile = {
   isProfileTypeCompleted: false,
   profileType: {
     housingType: HousingType.APPARTMENT,
-    constructionYear: ConstructionYear.AFTER_1999,
+    constructionYear: ConstructionYear.AFTER_1998,
     area: 35,
     occupantsNumber: 1,
     outsideFacingWalls: OutsideFacingWalls.ONE,
diff --git a/tests/__mocks__/profile.mock.ts b/tests/__mocks__/profile.mock.ts
index 701a3f02ec91085e0c697249325f508f4924c877..c10aba0e123af8555367fb238ca5e6e1cb2b044d 100644
--- a/tests/__mocks__/profile.mock.ts
+++ b/tests/__mocks__/profile.mock.ts
@@ -33,7 +33,7 @@ export const profileData: Profile = {
   sendAnalysisNotification: false,
   profileType: {
     housingType: HousingType.APPARTMENT,
-    constructionYear: ConstructionYear.AFTER_1999,
+    constructionYear: ConstructionYear.AFTER_1998,
     area: 35,
     occupantsNumber: 1,
     outsideFacingWalls: OutsideFacingWalls.ONE,
diff --git a/tests/__mocks__/profileType.mock.ts b/tests/__mocks__/profileType.mock.ts
index 1e14c43d5dcfae26a2a7b64a19d7bec5cdc466b5..2228b79b051fe4fbdeb1e16a3817b302d65a4736 100644
--- a/tests/__mocks__/profileType.mock.ts
+++ b/tests/__mocks__/profileType.mock.ts
@@ -19,7 +19,7 @@ import {
 
 export const mockProfileType: ProfileType = {
   housingType: HousingType.APPARTMENT,
-  constructionYear: ConstructionYear.AFTER_1999,
+  constructionYear: ConstructionYear.AFTER_1998,
   area: 43,
   occupantsNumber: 1,
   outsideFacingWalls: OutsideFacingWalls.TWO,
diff --git a/tests/__mocks__/store.ts b/tests/__mocks__/store.ts
index d13843c472a5c4d8460a4948f53ceede9901859f..51cb96df120279cf433a0359e7fb82ab8b75aca4 100644
--- a/tests/__mocks__/store.ts
+++ b/tests/__mocks__/store.ts
@@ -111,7 +111,7 @@ export const mockInitialProfileState: Profile = {
   isProfileTypeCompleted: false,
   profileType: {
     housingType: HousingType.APPARTMENT,
-    constructionYear: ConstructionYear.AFTER_1999,
+    constructionYear: ConstructionYear.AFTER_1998,
     area: 35,
     occupantsNumber: 1,
     outsideFacingWalls: OutsideFacingWalls.ONE,