diff --git a/checkin_notes b/checkin_notes
index 3e9dda5ced..1480913dec 100644
--- a/checkin_notes
+++ b/checkin_notes
@@ -6064,3 +6064,9 @@ David  14 Aug 2010
 
     lib/
         gui_rpc_client.h
+
+Charlie 14 Aug 2010
+    - MGR: Fix build break on Mac.
+    
+    clientgui/
+        AsyncRPC.cpp
diff --git a/clientgui/AsyncRPC.cpp b/clientgui/AsyncRPC.cpp
index a1a4aca9cb..2c87773711 100755
--- a/clientgui/AsyncRPC.cpp
+++ b/clientgui/AsyncRPC.cpp
@@ -20,7 +20,7 @@
 #endif
 
 #if !(defined(_WIN32) || (defined(__WXMAC__) && (MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_4)))
-//#include <xlocale.h>
+#include <xlocale.h>
 //#include "gui_rpc_client.h"
 #endif