diff --git a/honoka/src/honoka_imengine.cpp b/honoka/src/honoka_imengine.cpp
index 6c4385b..77e0b67 100644
--- a/honoka/src/honoka_imengine.cpp
+++ b/honoka/src/honoka_imengine.cpp
@@ -862,7 +862,7 @@
             return true;
         } else
         if (k_select_prediction.comp(key) && prediction) {
-            if (!realtime_prediction) {
+            if ((!realtime_prediction) && m_predictor->isConnected()) {
                 m_convList = m_predictor->getPredictionList(m_preeditor->getText());
                 if (m_convList.count()) {
                     m_lookup_table.clear();