diff --git a/src/libs/vpatterndb/vpiecenode.cpp b/src/libs/vpatterndb/vpiecenode.cpp
index 26e5b414a..b2e5bbba3 100644
--- a/src/libs/vpatterndb/vpiecenode.cpp
+++ b/src/libs/vpatterndb/vpiecenode.cpp
@@ -62,38 +62,38 @@ VPieceNode::~VPieceNode()
 //---------------------------------------------------------------------------------------------------------------------
 quint32 VPieceNode::GetId() const
 {
-    return d->id;
+    return d->m_id;
 }
 
 //---------------------------------------------------------------------------------------------------------------------
 void VPieceNode::SetId(quint32 id)
 {
-    d->id = id;
+    d->m_id = id;
 }
 
 //---------------------------------------------------------------------------------------------------------------------
 Tool VPieceNode::GetTypeTool() const
 {
-    return d->typeTool;
+    return d->m_typeTool;
 }
 
 //---------------------------------------------------------------------------------------------------------------------
 void VPieceNode::SetTypeTool(Tool value)
 {
-    d->typeTool = value;
+    d->m_typeTool = value;
 }
 
 //---------------------------------------------------------------------------------------------------------------------
 bool VPieceNode::GetReverse() const
 {
-    return d->reverse;
+    return d->m_reverse;
 }
 
 //---------------------------------------------------------------------------------------------------------------------
 void VPieceNode::SetReverse(bool reverse)
 {
-    if (d->typeTool != Tool::NodePoint)
+    if (d->m_typeTool != Tool::NodePoint)
     {
-        d->reverse = reverse;
+        d->m_reverse = reverse;
     }
 }
diff --git a/src/libs/vpatterndb/vpiecenode_p.h b/src/libs/vpatterndb/vpiecenode_p.h
index 5417aa138..bdc54abb8 100644
--- a/src/libs/vpatterndb/vpiecenode_p.h
+++ b/src/libs/vpatterndb/vpiecenode_p.h
@@ -40,39 +40,39 @@ class VPieceNodeData : public QSharedData
 {
 public:
   VPieceNodeData()
-    : id(NULL_ID),
-      typeTool(Tool::NodePoint),
-      reverse(false)
+    : m_id(NULL_ID),
+      m_typeTool(Tool::NodePoint),
+      m_reverse(false)
   {}
 
   VPieceNodeData(quint32 id, Tool typeTool, bool reverse)
-      : id(id),
-        typeTool(typeTool),
-        reverse(reverse)
+      : m_id(id),
+        m_typeTool(typeTool),
+        m_reverse(reverse)
   {
-      if (typeTool == Tool::NodePoint)
+      if (m_typeTool == Tool::NodePoint)
       {
-          reverse = false;
+          m_reverse = false;
       }
   }
 
   VPieceNodeData (const VPieceNodeData& node)
       : QSharedData(node),
-        id(node.id),
-        typeTool(node.typeTool),
-        reverse(node.reverse)
+        m_id(node.m_id),
+        m_typeTool(node.m_typeTool),
+        m_reverse(node.m_reverse)
   {}
 
   ~VPieceNodeData();
 
   /** @brief id object id. */
-  quint32 id;
+  quint32 m_id;
 
   /** @brief typeTool type of tool */
-  Tool typeTool;
+  Tool m_typeTool;
 
   /** @brief reverse true if need reverse points list for node. */
-  bool reverse;
+  bool m_reverse;
 
 private:
     VPieceNodeData &operator=(const VPieceNodeData &) Q_DECL_EQ_DELETE;