diff --git a/tests/regressiontests/queries/models.py b/tests/regressiontests/queries/models.py
index 6748950f21..8c47e623d7 100644
--- a/tests/regressiontests/queries/models.py
+++ b/tests/regressiontests/queries/models.py
@@ -353,5 +353,9 @@ True
 >>> ExtraInfo.objects.values('note')
 [{'note': 1}, {'note': 2}]
 
+# Bug 5261
+>>> Note.objects.exclude(Q())
+[<Note: n1>, <Note: n2>, <Note: n3>]
+
 """}