diff --git a/tests/select_related_regress/models.py b/tests/select_related_regress/models.py
index f98b8269a8..0858c8fc2c 100644
--- a/tests/select_related_regress/models.py
+++ b/tests/select_related_regress/models.py
@@ -125,4 +125,4 @@ class B(Base):
 class C(Base):
     c_a = models.ForeignKey(A)
     c_b = models.ForeignKey(B)
-    is_published = models.BooleanField()
+    is_published = models.BooleanField(default=False)