diff -ru ibus-1.4.0.org/bus/ibusimpl.c ibus-1.4.0/bus/ibusimpl.c
--- ibus-1.4.0.org/bus/ibusimpl.c	2011-12-01 01:45:56.453139058 +0900
+++ ibus-1.4.0/bus/ibusimpl.c	2011-12-01 01:55:53.941669370 +0900
@@ -530,9 +530,12 @@
 
     GVariant *variant = ibus_config_get_value (ibus->config, "general", "preload_engines");
     if (variant != NULL) {
-        done = TRUE;
+        if (g_variant_n_children (variant) > 0) {
+            done = TRUE;
+            g_variant_unref (variant);
+            return;
+        }
         g_variant_unref (variant);
-        return;
     }
 
     done = TRUE;