diff --git a/haxe/ui/macros/Macros.hx b/haxe/ui/macros/Macros.hx
index 7918a928b..d0551c972 100644
--- a/haxe/ui/macros/Macros.hx
+++ b/haxe/ui/macros/Macros.hx
@@ -595,7 +595,7 @@ class Macros {
         buildStyles(builder);
         buildBindings(builder);
 
-        if (builder.hasInterface("haxe.ui.core.IClonable")) {
+        if (builder.hasInterface("haxe.ui.core.IClonable") && !builder.isAbstractClass) {
             buildClonable(builder);
         }
 
diff --git a/haxe/ui/macros/helpers/ClassBuilder.hx b/haxe/ui/macros/helpers/ClassBuilder.hx
index c137bf005..d9cf17fb7 100644
--- a/haxe/ui/macros/helpers/ClassBuilder.hx
+++ b/haxe/ui/macros/helpers/ClassBuilder.hx
@@ -114,6 +114,10 @@ class ClassBuilder {
         }
     }
     
+    public var isAbstractClass(get, null):Bool;
+    private function get_isAbstractClass():Bool {
+        return #if (haxe_ver >= 4.2) classType.isAbstract #else false #end;
+    }
 
     public function findField(name:String):Field {
         var r = null;