diff --git a/apps/maarch_entreprise/Views/contacts-group-administration.component.html b/apps/maarch_entreprise/Views/contacts-group-administration.component.html
index 1317e677a33adae54cd5f75f1995078a8daa18f3..b419358ea92b858da4b3c647f1b0ca6a7d3b566b 100755
--- a/apps/maarch_entreprise/Views/contacts-group-administration.component.html
+++ b/apps/maarch_entreprise/Views/contacts-group-administration.component.html
@@ -123,7 +123,7 @@
         <mat-sidenav *ngIf="!creationMode" #snav2 [mode]="mobileQuery.matches ? 'over' : 'side'" [fixedInViewport]="mobileQuery.matches"
             fixedTopGap="56" position='end' [opened]="mobileQuery.matches ? false : true" style="overflow-x:hidden;width:40%;">
             <mat-list>
-                <h3 mat-subheader>{{contactsGroup.nbContacts}} {{lang.relatedContacts}} :  </h3>
+                <h3 mat-subheader>{{nbContact}} {{lang.relatedContacts}} :  </h3>
             </mat-list>
             <div class="row" style="margin:0px;">
                 <div class="col-md-6 col-xs-6">
diff --git a/apps/maarch_entreprise/js/angular/app/administration/contacts-group-administration.component.ts b/apps/maarch_entreprise/js/angular/app/administration/contacts-group-administration.component.ts
index 76dcd37e934cdb9f050b94f9e74db7735ac20026..18fb93c242300f33bf7dcde2e91971bfca02f8bc 100755
--- a/apps/maarch_entreprise/js/angular/app/administration/contacts-group-administration.component.ts
+++ b/apps/maarch_entreprise/js/angular/app/administration/contacts-group-administration.component.ts
@@ -132,6 +132,7 @@ export class ContactsGroupAdministrationComponent implements OnInit {
         this.http.post(this.coreUrl + 'rest/contactsGroups/' + this.contactsGroup.id + '/contacts', { 'contacts': this.selection.selected })
             .subscribe((data: any) => {
                 this.notify.success(this.lang.contactAdded);
+                this.nbContact = this.nbContact + this.selection.selected.length;
                 this.selection.clear();
                 elem.textContent = this.lang.add;
                 this.contactsGroup = data.contactsGroup;
@@ -181,7 +182,7 @@ export class ContactsGroupAdministrationComponent implements OnInit {
                 this.contactsGroup.contacts[row] = this.contactsGroup.contacts[lastElement];
                 this.contactsGroup.contacts[row].position = row;
                 this.contactsGroup.contacts.splice(lastElement, 1);
-
+                this.nbContact = this.nbContact - 1;
                 this.dataSourceAdded = new MatTableDataSource(this.contactsGroup.contacts);
                 this.dataSourceAdded.paginator = this.paginatorAdded;
                 this.dataSourceAdded.sort = this.sortAdded;