diff --git a/src/libs/vtools/tools/nodeDetails/vabstractnode.cpp b/src/libs/vtools/tools/nodeDetails/vabstractnode.cpp
index 381509163..a8e2f433c 100644
--- a/src/libs/vtools/tools/nodeDetails/vabstractnode.cpp
+++ b/src/libs/vtools/tools/nodeDetails/vabstractnode.cpp
@@ -75,7 +75,7 @@ void VAbstractNode::ShowVisualization(bool show)
 //---------------------------------------------------------------------------------------------------------------------
 void VAbstractNode::incrementReferens()
 {
-    ++_referens;
+    VAbstractTool::incrementReferens();
     if (_referens == 1)
     {
         if (idTool != NULL_ID)
@@ -102,10 +102,7 @@ void VAbstractNode::incrementReferens()
  */
 void VAbstractNode::decrementReferens()
 {
-    if (_referens > 0)
-    {
-        --_referens;
-    }
+    VAbstractTool::decrementReferens();
     if (_referens == 0)
     {
         if (idTool != NULL_ID)
diff --git a/src/libs/vtools/tools/nodeDetails/vtoolpiecepath.cpp b/src/libs/vtools/tools/nodeDetails/vtoolpiecepath.cpp
index e86ff9d1c..053748e9f 100644
--- a/src/libs/vtools/tools/nodeDetails/vtoolpiecepath.cpp
+++ b/src/libs/vtools/tools/nodeDetails/vtoolpiecepath.cpp
@@ -114,7 +114,7 @@ QString VToolPiecePath::getTagName() const
 //---------------------------------------------------------------------------------------------------------------------
 void VToolPiecePath::incrementReferens()
 {
-    ++_referens;
+    VAbstractTool::incrementReferens();
     if (_referens == 1)
     {
         if (idTool != NULL_ID)
@@ -137,10 +137,7 @@ void VToolPiecePath::incrementReferens()
 //---------------------------------------------------------------------------------------------------------------------
 void VToolPiecePath::decrementReferens()
 {
-    if (_referens > 0)
-    {
-        --_referens;
-    }
+    VAbstractTool::decrementReferens();
     if (_referens == 0)
     {
         if (idTool != NULL_ID)