diff --git a/tests/015-define-object-with-parens.c b/tests/015-define-object-with-parens.c
index 7dcadfa24fd..10bf7e31a34 100644
--- a/tests/015-define-object-with-parens.c
+++ b/tests/015-define-object-with-parens.c
@@ -1,2 +1,4 @@
 #define foo ( ) 1
 foo()
+#define bar () 2
+bar( )