diff --git a/honoka/src/honoka_def.h b/honoka/src/honoka_def.h
index e385a6c..403dbb3 100644
--- a/honoka/src/honoka_def.h
+++ b/honoka/src/honoka_def.h
@@ -96,6 +96,8 @@
 #define HONOKA_DEFAULT_NUMKEY_SELECT               true
 #define HONOKA_CONFIG_DEFAULT_PREEDITOR            "/IMEngine/Honoka/DefaultPreEditor"
 #define HONOKA_DEFAULT_DEFAULT_PREEDITOR           "Romkan"
+#define HONOKA_CONFIG_DEFAULT_CONVERTOR            "/IMEngine/Honoka/DefaultConvertor"
+#define HONOKA_DEFAULT_DEFAULT_CONVERTOR           "Wnn"
 #define HONOKA_CONFIG_SERVERTYPE                   "/IMEngine/Honoka/ServerType"
 #ifdef HAVE_LIBWNN7
   #define HONOKA_DEFAULT_SERVERTYPE                  "Wnn7"
diff --git a/honoka/src/honoka_imengine.cpp b/honoka/src/honoka_imengine.cpp
index 68b57d3..94c17e9 100644
--- a/honoka/src/honoka_imengine.cpp
+++ b/honoka/src/honoka_imengine.cpp
@@ -298,6 +298,7 @@
     
     
     defaultPreEditor = _scim_config->read(String(HONOKA_CONFIG_DEFAULT_PREEDITOR),String(HONOKA_DEFAULT_DEFAULT_PREEDITOR));
+    defaultConvertor = _scim_config->read(String(HONOKA_CONFIG_DEFAULT_CONVERTOR),String(HONOKA_DEFAULT_DEFAULT_CONVERTOR));
     auto_conversion = _scim_config->read(String(HONOKA_CONFIG_AUTO_CONVERSION),HONOKA_DEFAULT_AUTO_CONVERSION);;
 
     // �ǥե���ȥ������ꡣ
@@ -395,6 +396,7 @@
             String(HONOKA_DEFAULT_KEY_RESULTTOPREEDIT)));
 
     changePreEditor(defaultPreEditor);
+    changeConvertor(defaultConvertor);
 
     // �����ǰ�����³���Ƥ�������
     m_convertor->connect();
diff --git a/honoka/src/honoka_imengine.h b/honoka/src/honoka_imengine.h
index 907db93..5321eb0 100644
--- a/honoka/src/honoka_imengine.h
+++ b/honoka/src/honoka_imengine.h
@@ -117,6 +117,7 @@
     bool yosoku;
     bool auto_conversion;
     String defaultPreEditor;
+    String defaultConvertor;
     IConvert m_iconv;
     map<String,HonokaPluginEntry> plugins;
     vector<PreEditor *> preeditors;