diff --git a/projects/ucap-webmessenger-app/src/app/store/messenger/chat/actions.ts b/projects/ucap-webmessenger-app/src/app/store/messenger/chat/actions.ts
index ac7f6f1a..6d1196ef 100644
--- a/projects/ucap-webmessenger-app/src/app/store/messenger/chat/actions.ts
+++ b/projects/ucap-webmessenger-app/src/app/store/messenger/chat/actions.ts
@@ -21,6 +21,8 @@ export const clearSelectedRoom = createAction(
   '[Messenger::Chat] clearSelectedRoom'
 );
 
+export const clearEvent = createAction('[Messenger::Room] Clear Event');
+
 export const newEventMessage = createAction(
   '[Messenger::Chat] newEventMessage',
   props<{
diff --git a/projects/ucap-webmessenger-app/src/app/store/messenger/event/reducers.ts b/projects/ucap-webmessenger-app/src/app/store/messenger/event/reducers.ts
index 893992de..c24d7474 100644
--- a/projects/ucap-webmessenger-app/src/app/store/messenger/event/reducers.ts
+++ b/projects/ucap-webmessenger-app/src/app/store/messenger/event/reducers.ts
@@ -144,7 +144,7 @@ export const reducer = createReducer(
     };
   }),
 
-  on(ChatStore.selectedRoom, (state, action) => {
+  on(ChatStore.clearEvent, (state, action) => {
     return {
       ...initialState
     };
diff --git a/projects/ucap-webmessenger-app/src/app/store/messenger/room/effects.ts b/projects/ucap-webmessenger-app/src/app/store/messenger/room/effects.ts
index 3f7e14ae..e48f746e 100644
--- a/projects/ucap-webmessenger-app/src/app/store/messenger/room/effects.ts
+++ b/projects/ucap-webmessenger-app/src/app/store/messenger/room/effects.ts
@@ -76,20 +76,35 @@ import { LoginInfo, KEY_LOGIN_INFO } from '@app/types';
 
 @Injectable()
 export class Effects {
-  selectedRoomForInfo$ = createEffect(() =>
-    this.actions$.pipe(
-      ofType(ChatStore.selectedRoom),
-      map(action => {
-        const loginInfo = this.sessionStorageService.get<LoginInfo>(
-          KEY_LOGIN_INFO
-        );
-        return info({
-          roomSeq: action.roomSeq,
-          isDetail: true,
-          localeCode: loginInfo.localeCode
-        });
-      })
-    )
+  selectedRoomForInfo$ = createEffect(
+    () => {
+      return this.actions$.pipe(
+        ofType(ChatStore.selectedRoom),
+        withLatestFrom(
+          this.store.pipe(
+            select((state: any) => state.messenger.room.roomInfo as RoomInfo)
+          )
+        ),
+        map(([action, roomInfo]) => {
+          if (!!roomInfo && roomInfo.roomSeq === action.roomSeq) {
+          } else {
+            this.store.dispatch(ChatStore.clearEvent());
+
+            const loginInfo = this.sessionStorageService.get<LoginInfo>(
+              KEY_LOGIN_INFO
+            );
+            this.store.dispatch(
+              info({
+                roomSeq: action.roomSeq,
+                isDetail: true,
+                localeCode: loginInfo.localeCode
+              })
+            );
+          }
+        })
+      );
+    },
+    { dispatch: false }
   );
 
   info$ = createEffect(