diff --git a/test/FoundationSpec.hs b/test/FoundationSpec.hs
index 953c65b17..ea477a11a 100644
--- a/test/FoundationSpec.hs
+++ b/test/FoundationSpec.hs
@@ -65,6 +65,10 @@ instance Arbitrary ExamOfficeR where
   arbitrary = genericArbitrary
   shrink = genericShrink
 
+instance Arbitrary CourseNewsR where
+  arbitrary = genericArbitrary
+  shrink = genericShrink
+
 instance Arbitrary (Route UniWorX) where
   arbitrary = genericArbitrary
   shrink = genericShrink