diff --git a/Tools/ProtoProxy/Globals.h b/Tools/ProtoProxy/Globals.h
index 3b154b866..8424aca81 100644
--- a/Tools/ProtoProxy/Globals.h
+++ b/Tools/ProtoProxy/Globals.h
@@ -70,6 +70,10 @@ typedef long long Int64;
 typedef int       Int32;
 typedef short     Int16;
 
+typedef unsigned long long UInt64;
+typedef unsigned int       UInt32;
+typedef unsigned short     UInt16;
+