diff --git a/src/app/components/main-chat/chat-msg-box/chat-msg-box.component.ts b/src/app/components/main-chat/chat-msg-box/chat-msg-box.component.ts
index 84ef3c6..56d5e42 100644
--- a/src/app/components/main-chat/chat-msg-box/chat-msg-box.component.ts
+++ b/src/app/components/main-chat/chat-msg-box/chat-msg-box.component.ts
@@ -176,7 +176,8 @@ export class ChatMsgBoxComponent {
    */
   targetChatUser(event: Event) {
     event.stopPropagation();
-    this.toggleBoolean.selectUserInMsgBox = true;
+    this.toggleBoolean.selectUserInMsgBox =
+      !this.toggleBoolean.selectUserInMsgBox;
   }
 
   /**