diff -urN ibus-hangul-1.1.0.20090328.orig/src/engine.c ibus-hangul-1.1.0.20090328/src/engine.c
--- ibus-hangul-1.1.0.20090328.orig/src/engine.c	2009-03-26 01:50:18.000000000 -0400
+++ ibus-hangul-1.1.0.20090328/src/engine.c	2009-04-06 16:20:44.935321507 -0400
@@ -450,7 +450,7 @@
     if (keyval == IBUS_Shift_L || keyval == IBUS_Shift_R)
         return FALSE;
 
-    if (keyval == IBUS_F9 || keyval == IBUS_Hangul_Hanja) {
+    if (keyval == IBUS_F9 || keyval == IBUS_Hangul_Hanja || keyval == IBUS_Control_R) {
 	ibus_hangul_engine_toggle_lookup_table (hangul);
 	return TRUE;
     }