diff --git a/src/main/java/duke/ui/MainWindow.java b/src/main/java/duke/ui/MainWindow.java
index 8084d19559..4b67c4aa52 100644
--- a/src/main/java/duke/ui/MainWindow.java
+++ b/src/main/java/duke/ui/MainWindow.java
@@ -72,6 +72,7 @@ private void handleUserInput() {
         userInput.clear();
         if (executionOutput.isExit()) {
             Platform.exit();
+            System.exit(0);
         }
     }
 }