diff --git a/src/Foundation.hs b/src/Foundation.hs
index cf8f8d601..3f70dd564 100644
--- a/src/Foundation.hs
+++ b/src/Foundation.hs
@@ -157,6 +157,7 @@ deriving instance Generic ExamR
 deriving instance Generic CourseApplicationR
 deriving instance Generic AllocationR
 deriving instance Generic SchoolR
+deriving instance Generic ExamOfficeR
 deriving instance Generic (Route UniWorX)
 
 -- | Convenient Type Synonyms:
diff --git a/test/FoundationSpec.hs b/test/FoundationSpec.hs
index b2f2c1fa5..2386c7ba6 100644
--- a/test/FoundationSpec.hs
+++ b/test/FoundationSpec.hs
@@ -60,6 +60,10 @@ instance Arbitrary AllocationR where
   arbitrary = genericArbitrary
   shrink = genericShrink
 
+instance Arbitrary ExamOfficeR where
+  arbitrary = genericArbitrary
+  shrink = genericShrink
+
 instance Arbitrary (Route UniWorX) where
   arbitrary = genericArbitrary
   shrink = genericShrink