diff --git a/src/tools/genrevision/genrevision.cpp b/src/tools/genrevision/genrevision.cpp
index 23cf1a360..aa893d57c 100644
--- a/src/tools/genrevision/genrevision.cpp
+++ b/src/tools/genrevision/genrevision.cpp
@@ -19,6 +19,8 @@
 #include <fstream>
 #include <sstream>
 #include <time.h>
+#include <stdio.h>
+#include <string.h>
 
 #pragma warning(disable:4996)