diff --git a/src/domain/UBGraphicsPolygonItem.cpp b/src/domain/UBGraphicsPolygonItem.cpp
index 256f8143..f00bf42b 100644
--- a/src/domain/UBGraphicsPolygonItem.cpp
+++ b/src/domain/UBGraphicsPolygonItem.cpp
@@ -154,7 +154,12 @@ UBItem* UBGraphicsPolygonItem::deepCopy() const
 
 UBGraphicsPolygonItem* UBGraphicsPolygonItem::deepCopy(const QPolygonF& pol) const
 {
-    UBGraphicsPolygonItem* copy = new UBGraphicsPolygonItem(pol);
+    QPolygonF p(pol);
+    if (parentItem()!=NULL)
+    {
+        p = mapToItem(parentItem(), p);
+    }
+    UBGraphicsPolygonItem* copy = new UBGraphicsPolygonItem(p, parentItem());
 
     copyItemParameters(copy);
 
diff --git a/src/domain/UBGraphicsPolygonItem.h b/src/domain/UBGraphicsPolygonItem.h
index 6ee1cc7e..1917e731 100644
--- a/src/domain/UBGraphicsPolygonItem.h
+++ b/src/domain/UBGraphicsPolygonItem.h
@@ -20,6 +20,7 @@
 #include "core/UB.h"
 #include "UBItem.h"
 #include "UBGraphicsStrokesGroup.h"
+#include "domain/UBGraphicsGroupContainerItem.h"
 
 class UBItem;
 class UBGraphicsScene;