diff --git a/modules/juce_core/native/juce_ObjCHelpers_mac.h b/modules/juce_core/native/juce_ObjCHelpers_mac.h
index 0c1450e8c3..7f2c9c5700 100644
--- a/modules/juce_core/native/juce_ObjCHelpers_mac.h
+++ b/modules/juce_core/native/juce_ObjCHelpers_mac.h
@@ -317,7 +317,7 @@ struct ObjCClass
         jassert (cls != nil);
     }
 
-    virtual ~ObjCClass()
+    ~ObjCClass()
     {
         auto kvoSubclassName = String ("NSKVONotifying_") + class_getName (cls);
 
@@ -325,6 +325,16 @@ struct ObjCClass
             objc_disposeClassPair (cls);
     }
 
+    ObjCClass (ObjCClass&& other) noexcept
+        : cls (std::exchange (other.cls, {})) {}
+
+    ObjCClass& operator= (ObjCClass&& other) noexcept
+    {
+        auto tmp = std::move (other);
+        std::swap (tmp.cls, cls);
+        return *this;
+    }
+
     void registerClass()
     {
         if (cls != nil)