diff --git a/tools/mingwrap.c b/tools/mingwrap.c
index 21fe859c89..409ece58d1 100644
--- a/tools/mingwrap.c
+++ b/tools/mingwrap.c
@@ -22,6 +22,7 @@
 #include "wine/port.h"
 
 #include <stdio.h>
+#include <stdlib.h>
 #include <string.h>
 #ifdef HAVE_UNISTD_H
 # include <unistd.h>