diff --git a/src/xcmd_default_keys.c b/src/xcmd_default_keys.c
index 3444916..8b215b0 100755
--- a/src/xcmd_default_keys.c
+++ b/src/xcmd_default_keys.c
@@ -74,6 +74,7 @@ static int xcmd_history_up(void *pv)
 
 static int xcmd_auto_completion(void *pv)
 {
+    return 0;
 }