diff --git a/relaxng.c b/relaxng.c
index 143d704..cd28034 100644
--- a/relaxng.c
+++ b/relaxng.c
@@ -10708,4 +10708,6 @@
     return (ret);
 }
 
+#define bottom_relaxng
+#include "elfgcchack.h"
 #endif /* LIBXML_SCHEMAS_ENABLED */