diff --git a/honoka/src/honoka_imengine.cpp b/honoka/src/honoka_imengine.cpp
index 5ecd0ea..0174aab 100644
--- a/honoka/src/honoka_imengine.cpp
+++ b/honoka/src/honoka_imengine.cpp
@@ -1059,6 +1059,8 @@
     if (m_convertor != m_multi) {
         for(unsigned int i = 0;i < k_convertor.size();i ++) {
             if (k_convertor[i].comp(key) && (convertors[i] != m_convertor)) {
+                if (!convertors[i]->isConnected())
+                    if (!convertors[i]->connect()) return true;
                 m_no_update = true;
                 convertors[i]->setYomiText(m_preeditor->getText(true));
                 convertors[i]->ren_conversion();