diff --git a/test/PatchOutputSpec.hs b/test/PatchOutputSpec.hs
index bb13e32bf..a41d1a9f6 100644
--- a/test/PatchOutputSpec.hs
+++ b/test/PatchOutputSpec.hs
@@ -12,4 +12,4 @@ spec :: Spec
 spec = do
   describe "hunks" $ do
     it "empty diffs have no hunks" $
-      hunks (Free . Annotated (Info (Range 0 0) mempty, Info (Range 0 0) mempty) $ Leaf "") (fromList "") (fromList "") `shouldBe` []
+      hunks (Free . Annotated (Info (Range 0 0) mempty, Info (Range 0 0) mempty) $ Leaf "") (fromList "", fromList "") `shouldBe` []