diff --git a/render/render.c b/render/render.c
index 42fdebe8..22e1abf7 100644
--- a/render/render.c
+++ b/render/render.c
@@ -9,7 +9,7 @@
 #include "image.h"
 #include "kernel/openbox.h"
 
-#ifndef HAVE_STDLIB_H
+#ifdef HAVE_STDLIB_H
 #  include <stdlib.h>
 #endif