diff --git a/src/java.desktop/macosx/native/libawt_lwawt/awt/AWTWindow.m b/src/java.desktop/macosx/native/libawt_lwawt/awt/AWTWindow.m
index a1680592b29a..f3eaffbb615f 100644
--- a/src/java.desktop/macosx/native/libawt_lwawt/awt/AWTWindow.m
+++ b/src/java.desktop/macosx/native/libawt_lwawt/awt/AWTWindow.m
@@ -115,6 +115,10 @@ static NSPoint lastTopLeftPoint;
     [super becomeKeyWindow];                                    \
     [(AWTWindow*)[self delegate] becomeKeyWindow];              \
 }                                                               \
+                                                                \
+- (NSWindowTabbingMode)tabbingMode {                            \
+    return NSWindowTabbingModeDisallowed;                       \
+}
 
 @implementation AWTWindow_Normal
 AWT_NS_WINDOW_IMPLEMENTATION