diff --git a/src/libs/vtools/tools/drawTools/toolcurve/vtoolspline.cpp b/src/libs/vtools/tools/drawTools/toolcurve/vtoolspline.cpp
index b7510c042..860ff27cb 100644
--- a/src/libs/vtools/tools/drawTools/toolcurve/vtoolspline.cpp
+++ b/src/libs/vtools/tools/drawTools/toolcurve/vtoolspline.cpp
@@ -76,7 +76,7 @@ const QString VToolSpline::OldToolType = QStringLiteral("simple");
  * @param initData init data.
  * @param parent parent object.
  */
-VToolSpline::VToolSpline(VToolSplineInitData initData, QGraphicsItem *parent)
+VToolSpline::VToolSpline(const VToolSplineInitData &initData, QGraphicsItem *parent)
     : VAbstractSpline(initData.doc, initData.data, initData.id, parent),
       oldPosition(),
       moved(false),
diff --git a/src/libs/vtools/tools/drawTools/toolcurve/vtoolspline.h b/src/libs/vtools/tools/drawTools/toolcurve/vtoolspline.h
index fec692e71..30939ea1d 100644
--- a/src/libs/vtools/tools/drawTools/toolcurve/vtoolspline.h
+++ b/src/libs/vtools/tools/drawTools/toolcurve/vtoolspline.h
@@ -117,7 +117,7 @@ private:
     QSharedPointer<VSpline> oldMoveSpline;
     QSharedPointer<VSpline> newMoveSpline;
 
-    VToolSpline (VToolSplineInitData initData, QGraphicsItem *parent = nullptr );
+    VToolSpline (const VToolSplineInitData &initData, QGraphicsItem *parent = nullptr );
 
     bool IsMovable() const;
     void SetSplineAttributes(QDomElement &domElement, const VSpline &spl);