diff --git a/.gitattributes b/.gitattributes
index 15a5c58091..cb5934a2a1 100755
--- a/.gitattributes
+++ b/.gitattributes
@@ -1 +1,2 @@
 *.h linguist-language=C
+src/nvim/testdir/test42.in diff
diff --git a/src/nvim/testdir/test42.in b/src/nvim/testdir/test42.in
index baa6e67d26..d9057e72fb 100644
Binary files a/src/nvim/testdir/test42.in and b/src/nvim/testdir/test42.in differ