--- old/src/java.desktop/macosx/classes/sun/lwawt/macosx/CPlatformWindow.java	2018-02-16 15:06:29.000000000 +0530
+++ new/src/java.desktop/macosx/classes/sun/lwawt/macosx/CPlatformWindow.java	2018-02-16 15:06:28.000000000 +0530
@@ -852,7 +852,7 @@
     @Override
     public void updateFocusableWindowState() {
         final boolean isFocusable = isNativelyFocusableWindow();
-        setStyleBits(SHOULD_BECOME_KEY | SHOULD_BECOME_MAIN, isFocusable); // set both bits at once
+        setStyleBits(SHOULD_BECOME_KEY | SHOULD_BECOME_MAIN | RESIZABLE, isFocusable); // set bits at once
     }
 
     @Override