diff --git a/Project-Unite/Controllers/GroupsController.cs b/Project-Unite/Controllers/GroupsController.cs
index d171d98..55b23b6 100644
--- a/Project-Unite/Controllers/GroupsController.cs
+++ b/Project-Unite/Controllers/GroupsController.cs
@@ -86,7 +86,8 @@ public ActionResult CreateGroup(GroupViewModel model)
         public ActionResult JoinGroup(string id)
         {
             var db = new ApplicationDbContext();
-            var user = db.Users.FirstOrDefault(x => x.Id == User.Identity.GetUserId());
+            string UserId = User.Identity.GetUserId();
+            var user = db.Users.FirstOrDefault(x => x.Id == UserId);
             var group = db.Groups.FirstOrDefault(x => x.Id == id);
             if (group == null)
                 return new HttpStatusCodeResult(404);
@@ -99,7 +100,8 @@ public ActionResult JoinGroup(string id)
         public ActionResult LeaveGroup()
         {
             var db = new ApplicationDbContext();
-            var user = db.Users.FirstOrDefault(x => x.Id == User.Identity.GetUserId());
+            string UserId = User.Identity.GetUserId();
+            var user = db.Users.FirstOrDefault(x => x.Id == UserId);
             var group = db.Groups.FirstOrDefault(x => x.Id == user.GroupId);
             if (group == null)
                 return new HttpStatusCodeResult(404);