diff --git a/Tools/Java/Source/FrameworkWizard/src/org/tianocore/frameworkwizard/toolchain/Preferences.java b/Tools/Java/Source/FrameworkWizard/src/org/tianocore/frameworkwizard/toolchain/Preferences.java
index dcc4b42a36..17e5afe7dd 100644
--- a/Tools/Java/Source/FrameworkWizard/src/org/tianocore/frameworkwizard/toolchain/Preferences.java
+++ b/Tools/Java/Source/FrameworkWizard/src/org/tianocore/frameworkwizard/toolchain/Preferences.java
@@ -555,7 +555,7 @@ public class Preferences extends IFrame {
         this.setSize(dialogWidth, dialogHeight);
         this.setContentPane(getJContentPane());
         this.setTitle("Build Preferences [" + toolsDefIdentifier + "]");
-        this.setDefaultCloseOperation(IFrame.EXIT_ON_CLOSE);
+        this.setDefaultCloseOperation(IFrame.DISPOSE_ON_CLOSE);
         this.centerWindow();
         this.setVisible(true);
     }