diff --git a/AppKit/CPMenu/_CPMenuBarWindow.j b/AppKit/CPMenu/_CPMenuBarWindow.j
index 55f9563cc..c39596622 100644
--- a/AppKit/CPMenu/_CPMenuBarWindow.j
+++ b/AppKit/CPMenu/_CPMenuBarWindow.j
@@ -492,6 +492,11 @@
             return index;
     }
 
+    // If the mouse is within the menu bar bounds but not over an item
+    // (e.g. dragging far left or right), force the menu to unhighlight.
+    if (CGRectContainsPoint([[self contentView] bounds], aPoint))
+        [_menu _highlightItemAtIndex:CPNotFound];
+
     return CPNotFound;
 }