diff --git a/pcbnew/router/pns_node.cpp b/pcbnew/router/pns_node.cpp
index b7cdbafe4a..3787210175 100644
--- a/pcbnew/router/pns_node.cpp
+++ b/pcbnew/router/pns_node.cpp
@@ -525,8 +525,11 @@ void NODE::addHole( HOLE* aHole )
     // do we need holes in the connection graph?
     //linkJoint( aHole->Pos(), aHole->Layers(), aHole->Net(), aHole );
 
-    aHole->SetOwner( this );
-    m_index->Add( aHole );
+    HOLE* hole = new HOLE( aHole->Shape()->Clone() );
+    hole->SetLayers( aHole->Layers() );
+
+    hole->SetOwner( this );
+    m_index->Add( hole );
 }
 
 
diff --git a/pcbnew/router/pns_solid.h b/pcbnew/router/pns_solid.h
index 43e1ad49a5..af28be298d 100644
--- a/pcbnew/router/pns_solid.h
+++ b/pcbnew/router/pns_solid.h
@@ -66,6 +66,20 @@ public:
         m_orientation = aSolid.m_orientation;
     }
 
+    SOLID& operator=( const SOLID& aB )
+    {
+        if( aB.m_shape )
+            SetShape( aB.m_shape->Clone() );
+
+        if( aB.m_hole )
+            SetHole( new PNS::HOLE( aB.m_hole->Shape()->Clone() ) );
+
+        m_pos = aB.m_pos;
+        m_padToDie = aB.m_padToDie;
+        m_orientation = aB.m_orientation;
+        return *this;
+    }
+
     static inline bool ClassOf( const ITEM* aItem )
     {
         return aItem && SOLID_T == aItem->Kind();
diff --git a/pcbnew/router/pns_via.h b/pcbnew/router/pns_via.h
index 8622d3ef3e..94895b0aea 100644
--- a/pcbnew/router/pns_via.h
+++ b/pcbnew/router/pns_via.h
@@ -103,6 +103,23 @@ public:
             delete m_hole;
     }
 
+    VIA& operator=( const VIA& aB )
+    {
+        SetNet( aB.Net() );
+        SetLayers( aB.Layers() );
+        m_pos = aB.m_pos;
+        m_diameter = aB.m_diameter;
+        m_shape = SHAPE_CIRCLE( m_pos, m_diameter / 2 );
+        m_drill = aB.m_drill;
+        SetHole( HOLE::MakeCircularHole( m_pos, m_drill / 2 ) );
+        m_marker = aB.m_marker;
+        m_rank = aB.m_rank;
+        m_viaType = aB.m_viaType;
+        m_isFree = aB.m_isFree;
+        m_isVirtual = aB.m_isVirtual;
+        return *this;
+    }
+
     static inline bool ClassOf( const ITEM* aItem )
     {
         return aItem && VIA_T == aItem->Kind();