diff --git a/t/t1402-check-ref-format.sh b/t/t1402-check-ref-format.sh
index 1a5a5f39fd..4bc7141226 100755
--- a/t/t1402-check-ref-format.sh
+++ b/t/t1402-check-ref-format.sh
@@ -48,6 +48,7 @@ invalid_ref './foo/bar'
 invalid_ref 'foo/./bar'
 invalid_ref 'foo/bar/.'
 invalid_ref '.refs/foo'
+invalid_ref 'refs/heads/foo.'
 invalid_ref 'heads/foo..bar'
 invalid_ref 'heads/foo?bar'
 valid_ref 'foo./bar'