diff --git a/engines/titanic/npcs/true_talk_npc.cpp b/engines/titanic/npcs/true_talk_npc.cpp
index f70a2f84d1b7..d5619ec9e9d2 100644
--- a/engines/titanic/npcs/true_talk_npc.cpp
+++ b/engines/titanic/npcs/true_talk_npc.cpp
@@ -186,7 +186,7 @@ bool CTrueTalkNPC::TimerMsg(CTimerMsg *msg) {
 				animMsg.execute(this);
 			}
 
-			_npcFlags &= ~NPCFLAG_IDLING;
+			_npcFlags |= NPCFLAG_IDLING;
 		}
 	}