diff --git a/src/app/core/components/feedback/feedback.component.ts b/src/app/core/components/feedback/feedback.component.ts
index 89abd60d641ee23057d8b366871ce92a87d627d6..49ad24e5064dc5fb6ad5a015484f358bf3b2e0ac 100644
--- a/src/app/core/components/feedback/feedback.component.ts
+++ b/src/app/core/components/feedback/feedback.component.ts
@@ -61,7 +61,10 @@ export class FeedbackComponent implements OnInit {
 
     this.feedbackForm.get('email').valueChanges.subscribe(
       (emailValue) => {
-        emailValue === '' || emailValue === null ? consent.setValue(false) : null;
+        if (emailValue === '' || emailValue === null ) {
+          consent.setValue(false);
+        }
+
         if (emailValue !== null && emailValue !== '') {
           consent.setValidators([Validators.requiredTrue]);
         } else {
@@ -115,7 +118,12 @@ export class FeedbackComponent implements OnInit {
   }
 
   get feedbackHasEmail() {
-    return this.feedbackForm.get('email').value && this.feedbackForm.get('email').value;
+    if (this.feedbackForm.get('email').value !== null && this.feedbackForm.get('email').value !== '') {
+      return true;
+    }
+    else {
+      return false;
+    }
   }
 
   get shouldAnimateClosing() {
diff --git a/src/app/dataset-detail/components/dataset-table/dataset-table.component.html b/src/app/dataset-detail/components/dataset-table/dataset-table.component.html
index c23a32389b52eadd57bc68a93295ffa235366461..72108716e5c10f0fc678096a3053fe15c32e87ef 100644
--- a/src/app/dataset-detail/components/dataset-table/dataset-table.component.html
+++ b/src/app/dataset-detail/components/dataset-table/dataset-table.component.html
@@ -6,10 +6,10 @@
     (keydown.enter)="sortBy(key)" [tabindex]="isDisplayed ? 0 : -1" [attr.role]="'columnheader'">
     <span class="sort-icons">
       <span class="icon">
-        <span class="fas fa-sort-up" [ngClass]="{'icon-red': sortValue === key && sortOrder === 'desc'}"></span >
+        <span class="fas fa-sort-up" [ngClass]="{'icon-red': sortValue.includes(key) && sortOrder === 'desc'}"></span>
       </span>
       <span class="icon">
-        <span class="fas fa-sort-down" [ngClass]="{'icon-red': sortValue === key && sortOrder === 'asc'}"></span >
+        <span class="fas fa-sort-down" [ngClass]="{'icon-red': sortValue.includes(key) && sortOrder === 'asc'}"></span>
       </span>
     </span>
     <span class="column-title" [ngClass]="{'active': sortValue === key}">{{ key }}</span>
diff --git a/src/app/user/components/user-profil/user-info/user-info.component.html b/src/app/user/components/user-profil/user-info/user-info.component.html
index 7941452fa2d34a71cbdee1e0ebc2d5aea3672f6b..0ca186e6515e1ec271a5703c9f01a7e51cdb08e4 100644
--- a/src/app/user/components/user-profil/user-info/user-info.component.html
+++ b/src/app/user/components/user-profil/user-info/user-info.component.html
@@ -10,11 +10,11 @@
               (keyup)="toUppercase(userInfoUpdateForm, 'firstName')"
               [ngClass]="{'has-error': fieldIsInvalid(userInfoUpdateForm, 'firstName'), 'is-valid': fieldIsValid(userInfoUpdateForm, 'firstName')}">
             <span class="icon is-small is-right is-icon-success" *ngIf="fieldIsValid(userInfoUpdateForm, 'firstName')">
-              <i class="fas fa-check-circle"></i>
+              <span class="fas fa-check-circle"></span>
             </span>
             <span class="icon is-small is-right is-icon-warning"
               *ngIf="fieldIsInvalid(userInfoUpdateForm, 'firstName')">
-              <i class="fas fa-exclamation-circle"></i>
+              <span class="fas fa-exclamation-circle"></span>
             </span>
           </p>
 
@@ -38,10 +38,10 @@
               (keyup)="toUppercase(userInfoUpdateForm,'lastName')"
               [ngClass]="{'has-error': fieldIsInvalid(userInfoUpdateForm, 'lastName'), 'is-valid': fieldIsValid(userInfoUpdateForm, 'lastName')}">
             <span class="icon is-small is-right is-icon-success" *ngIf="fieldIsValid(userInfoUpdateForm, 'lastName')">
-              <i class="fas fa-check-circle"></i>
+              <span class="fas fa-check-circle"></span>
             </span>
             <span class="icon is-small is-right is-icon-warning" *ngIf="fieldIsInvalid(userInfoUpdateForm, 'lastName')">
-              <i class="fas fa-exclamation-circle"></i>
+              <span class="fas fa-exclamation-circle"></span>
             </span>
           </p>
 
@@ -187,4 +187,4 @@
     </footer>
   </div>
   <button class="modal-close is-large" aria-label="close" (click)="closeDeleteAccountModal()"></button>
-</div>
\ No newline at end of file
+</div>