diff --git a/tools/qfmodelgen/source/lbmlib.c b/tools/qfmodelgen/source/lbmlib.c
index 4d11d8afe..ca77afd78 100644
--- a/tools/qfmodelgen/source/lbmlib.c
+++ b/tools/qfmodelgen/source/lbmlib.c
@@ -21,7 +21,7 @@
 #include "config.h"
 
 #include <string.h>
-#include <malloc.h>
+#include <stdlib.h>
 #include <errno.h>
 
 #include "QF/qendian.h"