diff --git a/honoka/src/wnnprediction.cpp b/honoka/src/wnnprediction.cpp
index ab964ef..62feb00 100644
--- a/honoka/src/wnnprediction.cpp
+++ b/honoka/src/wnnprediction.cpp
@@ -69,7 +69,7 @@
  */
 bool WnnPrediction::connect()
 {
-    return false;
+    return convertor->connect();
 }