diff --git a/scim-wnn/src/scim_wnn_imengine.cpp b/scim-wnn/src/scim_wnn_imengine.cpp
index 6396438..6272883 100644
--- a/scim-wnn/src/scim_wnn_imengine.cpp
+++ b/scim-wnn/src/scim_wnn_imengine.cpp
@@ -654,7 +654,11 @@
         k_conversion_prev.comp(key) ? m_convList.pos --: m_convList.pos ++;
         if (m_convList.pos >= m_convList.count) m_convList.pos = 0;
         else if (m_convList.pos < 0) m_convList.pos = m_convList.count - 1;
-        select_candidate((unsigned int)m_convList.pos);
+        m_lookup_table.set_cursor_pos(m_convList.pos);
+        update_lookup_table(m_lookup_table);
+        update_preedit_string(m_convList.kouho.at(m_convList.pos));
+        update_preedit_caret(0);
+//        select_candidate((unsigned int)m_convList.pos);
         updateProperty();
         return(true);
     } else