diff --git a/app/Models/User.php b/app/Models/User.php
index 9457eab..9bc63d1 100644
--- a/app/Models/User.php
+++ b/app/Models/User.php
@@ -119,9 +119,15 @@ class User extends Authenticatable implements Auditable
             return ['permission' => $permission];
         });
 
-        return $this->permissions()->firstOrCreateMany($permissions->toArray());
+        $existingPermissions = $this->permissions()->whereIn('permission', $permissions->pluck('permission'))->get();
+        $newPermissions = $permissions->reject(function ($permission) use ($existingPermissions) {
+            return $existingPermissions->contains('permission', $permission['permission']);
+        });
+
+        return $this->permissions()->createMany($newPermissions->toArray());
     }
 
+
     /**
      * Revoke permissions from the user
      *