diff --git a/src/main/java/emu/grasscutter/game/quest/exec/ExecNotifyGroupLua.java b/src/main/java/emu/grasscutter/game/quest/exec/ExecNotifyGroupLua.java
index dd296f140..3db2ce300 100644
--- a/src/main/java/emu/grasscutter/game/quest/exec/ExecNotifyGroupLua.java
+++ b/src/main/java/emu/grasscutter/game/quest/exec/ExecNotifyGroupLua.java
@@ -52,7 +52,7 @@ public class ExecNotifyGroupLua extends QuestExecHandler {
                             quest.getState() == QuestState.QUEST_STATE_FINISHED
                                     ? EventType.EVENT_QUEST_FINISH
                                     : EventType.EVENT_QUEST_START;
-                    scriptManager.callEvent(new ScriptArgs(groupId, eventType, quest.getSubQuestId()));
+                    scriptManager.callEvent(new ScriptArgs(groupId, eventType, quest.getSubQuestId()).setEventSource(String.valueOf(quest.getSubQuestId())));
                 });
 
         return true;