diff --git a/qbsp/util.c b/qbsp/util.c
index 041b3585..de60b62c 100644
--- a/qbsp/util.c
+++ b/qbsp/util.c
@@ -21,7 +21,7 @@
 
 #include <stddef.h>
 #include <stdarg.h>
-#include <malloc.h>
+#include <stdlib.h>
 
 #include "qbsp.h"