diff --git a/tests/regressiontests/model_inheritance_regress/models.py b/tests/regressiontests/model_inheritance_regress/models.py
index 3f4fa04b77..0a812cf5ed 100644
--- a/tests/regressiontests/model_inheritance_regress/models.py
+++ b/tests/regressiontests/model_inheritance_regress/models.py
@@ -162,16 +162,14 @@ DoesNotExist: ItalianRestaurant matching query does not exist.
 # Regression test for #6755
 >>> r = Restaurant(serves_pizza=False)
 >>> r.save()
->>> r.id
-3
->>> r.place_ptr_id
-3
->>> r = Restaurant(place_ptr_id=3, serves_pizza=True)
+>>> r.id == r.place_ptr_id
+True
+>>> orig_id = r.id
+>>> r = Restaurant(place_ptr_id=orig_id, serves_pizza=True)
 >>> r.save()
->>> r.id
-3
->>> r.place_ptr_id
-3
-
+>>> r.id == orig_id
+True
+>>> r.id == r.place_ptr_id
+True
 
 """}