diff --git a/modules/juce_gui_basics/native/accessibility/juce_mac_Accessibility.mm b/modules/juce_gui_basics/native/accessibility/juce_mac_Accessibility.mm
index 8e5ab03af3..7fd04abdb5 100644
--- a/modules/juce_gui_basics/native/accessibility/juce_mac_Accessibility.mm
+++ b/modules/juce_gui_basics/native/accessibility/juce_mac_Accessibility.mm
@@ -1109,7 +1109,7 @@ void AccessibilityHandler::notifyAccessibilityEvent (AccessibilityEvent eventTyp
 
         sendAccessibilityEvent (accessibilityElement, notification,
                                 (notification == NSAccessibilityLayoutChangedNotification
-                                   ? @{ NSAccessibilityUIElementsKey: accessibilityElement }
+                                   ? @{ NSAccessibilityUIElementsKey: @[ accessibilityElement ] }
                                    : nil));
     }
 }