diff --git a/scim-wnn/src/scim_wnn_imengine.cpp b/scim-wnn/src/scim_wnn_imengine.cpp
index 7dccfbd..6396438 100644
--- a/scim-wnn/src/scim_wnn_imengine.cpp
+++ b/scim-wnn/src/scim_wnn_imengine.cpp
@@ -370,7 +370,7 @@
                 //m_lookup_table.clear();
                 hide_lookup_table();
             }
-        }
+        } else hide_lookup_table();
 
     updateProperty();
 }