--- scim-1.4.4/extras/gtk2_immodule/gtkimcontextscim.cpp.orig   2005-12-06 10:11:27.732624776 +0800
+++ scim-1.4.4/extras/gtk2_immodule/gtkimcontextscim.cpp        2005-12-02 15:36:36.000000000 +0800
@@ -1256,8 +1256,10 @@
     if (hotkey_action == SCIM_FRONTEND_HOTKEY_TRIGGER) {
         if (!ic->impl->is_on)
             turn_on_ic (ic);
-        else
+        else {
+            ic->impl->si->reset();
             turn_off_ic (ic);
+        }
         ret = true;
     } else if (hotkey_action == SCIM_FRONTEND_HOTKEY_ON) {
         if (!ic->impl->is_on)