diff --git a/src/libs/vtools/tools/vtoolseamallowance.cpp b/src/libs/vtools/tools/vtoolseamallowance.cpp
index e9f6e4375..30d00a394 100644
--- a/src/libs/vtools/tools/vtoolseamallowance.cpp
+++ b/src/libs/vtools/tools/vtoolseamallowance.cpp
@@ -1075,6 +1075,7 @@ VToolSeamAllowance::VToolSeamAllowance(VAbstractPattern *doc, VContainer *data,
     InitNodes(detail, scene);
     InitCSAPaths(detail);
     InitInternalPaths(detail);
+    InitPins(detail);
     this->setFlag(QGraphicsItem::ItemIsMovable, true);
     this->setFlag(QGraphicsItem::ItemIsSelectable, true);
     RefreshGeometry();
@@ -1203,6 +1204,15 @@ void VToolSeamAllowance::InitInternalPaths(const VPiece &detail)
     }
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+void VToolSeamAllowance::InitPins(const VPiece &detail)
+{
+    for (int i = 0; i < detail.GetPins().size(); ++i)
+    {
+        doc->IncrementReferens(detail.GetPins().at(i));
+    }
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 void VToolSeamAllowance::DeleteTool(bool ask)
 {
diff --git a/src/libs/vtools/tools/vtoolseamallowance.h b/src/libs/vtools/tools/vtoolseamallowance.h
index b1dc83a42..d0dec269a 100644
--- a/src/libs/vtools/tools/vtoolseamallowance.h
+++ b/src/libs/vtools/tools/vtoolseamallowance.h
@@ -155,6 +155,7 @@ private:
     void InitNodes(const VPiece &detail, VMainGraphicsScene *scene);
     void InitCSAPaths(const VPiece &detail);
     void InitInternalPaths(const VPiece &detail);
+    void InitPins(const VPiece &detail);
 
     template <typename Tool>
     Tool*              InitTool(VMainGraphicsScene *scene, quint32 toolId);