diff --git a/scripts/nginx.sh b/scripts/nginx.sh
index 9da518d..ebe3b71 100644
--- a/scripts/nginx.sh
+++ b/scripts/nginx.sh
@@ -260,8 +260,7 @@ function detect_conflicting_packages() {
           echo -e "###### > Skip"
           break;;
         *)
-          print_unkown_cmd
-          print_msg && clear_msg;;
+          error_msg "Invalid command!";;
       esac
     done
   fi
diff --git a/scripts/ui/update_menu.sh b/scripts/ui/update_menu.sh
index 7816f00..3d6338d 100755
--- a/scripts/ui/update_menu.sh
+++ b/scripts/ui/update_menu.sh
@@ -129,8 +129,7 @@ function update_all() {
       N|n|No|no)
         break;;
       *)
-        print_unkown_cmd
-        print_msg && clear_msg;;
+        error_msg "Invalid command!";;
     esac
   done
 }