diff --git a/lib/modele/activity.dart b/lib/modele/activity.dart
index 2252632..9a1ec99 100644
--- a/lib/modele/activity.dart
+++ b/lib/modele/activity.dart
@@ -12,6 +12,7 @@ class ActivityOfUser {
 
   String get fileUuid => _fileUuid;
   String get nameFile => _nameFile;
+  String get category => _categorie;
   Map<String, int> get enteteCSV => _enteteCSV;
 
   // -- Getter/Setter -- Ancien //
diff --git a/lib/modele/manager_selected_activity.dart b/lib/modele/manager_selected_activity.dart
index 717e207..d229b1c 100644
--- a/lib/modele/manager_selected_activity.dart
+++ b/lib/modele/manager_selected_activity.dart
@@ -9,13 +9,10 @@ class ManagerSelectedActivity {
   List<ActivityOfUser> activitySelected = List.empty(growable: true);
 
   bool addSelectedActivity(ActivityOfUser activityOfUser) {
-    // Regarder si l'entete est la même
-    // C'est de la merde!! à recoder !!
-    /*
     if (activitySelected.isNotEmpty &&
-        activitySelected.first.enteteCSV != activityOfUser.enteteCSV) {
+        activityOfUser.category != activitySelected.first.category) {
       return false;
-    }*/
+    }
     activitySelected.add(activityOfUser);
     return true;
   }
diff --git a/lib/modele/utile/list_activity/list_activity_utile.dart b/lib/modele/utile/list_activity/list_activity_utile.dart
index aad1884..d6b706a 100644
--- a/lib/modele/utile/list_activity/list_activity_utile.dart
+++ b/lib/modele/utile/list_activity/list_activity_utile.dart
@@ -27,9 +27,11 @@ class ListActivityUtile {
     activityOfUser.contentActivity =
         List.from(_managerFile.convertByteIntoCSV(result.item2));
 
-    Provider.of<User>(context, listen: false)
+    if (!Provider.of<User>(context, listen: false)
         .managerSelectedActivity
-        .addSelectedActivity(activityOfUser);
+        .addSelectedActivity(activityOfUser)) {
+      return const Tuple2(false, "Pas de même categorie");
+    }
     return const Tuple2(true, "Yeah");
   }