diff --git a/src/libs/vtools/undocommands/deletepiece.cpp b/src/libs/vtools/undocommands/deletepiece.cpp
index 94a35d3d2..a2e9ef6d2 100644
--- a/src/libs/vtools/undocommands/deletepiece.cpp
+++ b/src/libs/vtools/undocommands/deletepiece.cpp
@@ -43,7 +43,7 @@
 #include "../vwidgets/vmaingraphicsview.h"
 
 //---------------------------------------------------------------------------------------------------------------------
-DeletePiece::DeletePiece(VAbstractPattern *doc, quint32 id, VContainer data, VMainGraphicsScene *scene,
+DeletePiece::DeletePiece(VAbstractPattern *doc, quint32 id, const VContainer &data, VMainGraphicsScene *scene,
                          QUndoCommand *parent)
     : VUndoCommand(QDomElement(), doc, parent),
       m_parentNode(),
diff --git a/src/libs/vtools/undocommands/deletepiece.h b/src/libs/vtools/undocommands/deletepiece.h
index e10907958..a68672577 100644
--- a/src/libs/vtools/undocommands/deletepiece.h
+++ b/src/libs/vtools/undocommands/deletepiece.h
@@ -39,7 +39,7 @@ class DeletePiece : public VUndoCommand
 {
     Q_OBJECT
 public:
-    DeletePiece(VAbstractPattern *doc, quint32 id, VContainer data, VMainGraphicsScene *scene,
+    DeletePiece(VAbstractPattern *doc, quint32 id, const VContainer &data, VMainGraphicsScene *scene,
                 QUndoCommand *parent = nullptr);
     virtual ~DeletePiece();