diff --git a/scim-wnn/src/scim_wnn_imengine.cpp b/scim-wnn/src/scim_wnn_imengine.cpp
index f6a95af..0cd7cd9 100644
--- a/scim-wnn/src/scim_wnn_imengine.cpp
+++ b/scim-wnn/src/scim_wnn_imengine.cpp
@@ -616,7 +616,7 @@
     m_conversion = false;
     m_lookup = false;
     wnn.reset();
-    wnn.wnnDisconnect();
+    //wnn.wnnDisconnect();
     m_preeditor->reset();
     m_proplist.clear();
     updatePreEditor();