diff --git a/projects/ucap-webmessenger-app/src/app/store/messenger/event/effects.ts b/projects/ucap-webmessenger-app/src/app/store/messenger/event/effects.ts
index 0a2e3743..3b6bdcea 100644
--- a/projects/ucap-webmessenger-app/src/app/store/messenger/event/effects.ts
+++ b/projects/ucap-webmessenger-app/src/app/store/messenger/event/effects.ts
@@ -949,7 +949,13 @@ export class Effects {
                * 이때 unread count 를 중가하지 않는다.
                */
             } else {
-              if (!!trgtRoomInfos && !!trgtRoomInfos[action.roomSeq]) {
+              if (
+                !!trgtRoomInfos &&
+                !!trgtRoomInfos[action.roomSeq] &&
+                action.info.type !== EventType.Join &&
+                action.info.type !== EventType.Exit &&
+                action.info.type !== EventType.ForcedExit
+              ) {
                 const noReadCnt = trgtRoomInfos[action.roomSeq].noReadCnt;
                 this.store.dispatch(
                   SyncStore.updateUnreadCount({