diff --git a/reactos/tools/rbuild/pch.h b/reactos/tools/rbuild/pch.h
index 42b44d0ab02..b1231971b1e 100644
--- a/reactos/tools/rbuild/pch.h
+++ b/reactos/tools/rbuild/pch.h
@@ -28,6 +28,8 @@
 #include <map>
 #include <set>
 #include <utility>
+#include <cstdlib>
+#include <cstdio>
 
 #ifdef WIN32
 #include <windows.h>