diff --git a/test/unit/group_test.rb b/test/unit/group_test.rb
index 8038ba45c..b25b7014d 100644
--- a/test/unit/group_test.rb
+++ b/test/unit/group_test.rb
@@ -114,7 +114,7 @@ class GroupTest < ActiveSupport::TestCase
 
   def test_user_roles_should_be_removed_when_removing_user_from_group
     assert User.find(8).member_of?(Project.find(5))
-    User.find(8).groups.clear
+    User.find(8).groups = []
     assert !User.find(8).member_of?(Project.find(5))
   end