diff --git a/vncviewer/cocoa.mm b/vncviewer/cocoa.mm
index e9e0968..0992100 100644
--- a/vncviewer/cocoa.mm
+++ b/vncviewer/cocoa.mm
@@ -203,7 +203,7 @@
 
   layout = NULL;
 
-#if (MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_5)
+#if (MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_5) || defined(__x86_64__)
   TISInputSourceRef keyboard;
   CFDataRef uchr;