diff --git a/contexthub/1.1/IContexthub.hal b/contexthub/1.1/IContexthub.hal
index 842d4b7..a3b4bd4 100644
--- a/contexthub/1.1/IContexthub.hal
+++ b/contexthub/1.1/IContexthub.hal
@@ -27,5 +27,5 @@
      * @param setting User setting that has been modified.
      * @param newValue The update value of the user setting.
      */
-    oneway onSettingChanged(Setting setting, SettingValue newValue);
+    onSettingChanged(Setting setting, SettingValue newValue);
 };
\ No newline at end of file