diff --git a/src/include/access/tupdesc.h b/src/include/access/tupdesc.h
index aee871b0e8..afe2adbfb6 100644
--- a/src/include/access/tupdesc.h
+++ b/src/include/access/tupdesc.h
@@ -159,7 +159,9 @@ TupleDescAttr(TupleDesc tupdesc, int i)
 #undef TupleDescAttrAddress
 
 #ifdef USE_ASSERT_CHECKING
-extern void verify_compact_attribute(TupleDesc, int attnum);
+extern void verify_compact_attribute(TupleDesc tupdesc, int attnum);
+#else
+#define verify_compact_attribute(tupdesc, attnum) ((void) 0)
 #endif
 
 /*
