diff --git a/pcbnew/router/pns_diff_pair_placer.cpp b/pcbnew/router/pns_diff_pair_placer.cpp
index 37d60942332..62db640b292 100644
--- a/pcbnew/router/pns_diff_pair_placer.cpp
+++ b/pcbnew/router/pns_diff_pair_placer.cpp
@@ -848,14 +848,10 @@ void DIFF_PAIR_PLACER::updateLeadingRatLine()
     TOPOLOGY topo( m_lastNode );
 
     if( topo.LeadingRatLine( &m_currentTrace.PLine(), ratLineP ) )
-    {
-        Dbg()->AddLine( ratLineP, 1, 10000 );
-    }
+        m_router->GetInterface()->DisplayRatline( ratLineP, 1 );
 
     if( topo.LeadingRatLine ( &m_currentTrace.NLine(), ratLineN ) )
-    {
-        Dbg()->AddLine( ratLineN, 3, 10000 );
-    }
+        m_router->GetInterface()->DisplayRatline( ratLineN, 3 );
 }
 
 
diff --git a/pcbnew/router/pns_kicad_iface.cpp b/pcbnew/router/pns_kicad_iface.cpp
index 5f046f9d8b3..dfe7ed682d9 100644
--- a/pcbnew/router/pns_kicad_iface.cpp
+++ b/pcbnew/router/pns_kicad_iface.cpp
@@ -1301,6 +1301,15 @@ void PNS_KICAD_IFACE::DisplayItem( const PNS::ITEM* aItem, int aColor, int aClea
 }
 
 
+void PNS_KICAD_IFACE::DisplayRatline( const SHAPE_LINE_CHAIN& aRatline, int aColor )
+{
+    ROUTER_PREVIEW_ITEM* pitem = new ROUTER_PREVIEW_ITEM( nullptr, m_view );
+    pitem->Line( aRatline, 10000, aColor );
+    m_previewItems->Add( pitem );
+    m_view->Update( m_previewItems );
+}
+
+
 void PNS_KICAD_IFACE::HideItem( PNS::ITEM* aItem )
 {
     BOARD_CONNECTED_ITEM* parent = aItem->Parent();
diff --git a/pcbnew/router/pns_kicad_iface.h b/pcbnew/router/pns_kicad_iface.h
index 698f75d5290..37485966144 100644
--- a/pcbnew/router/pns_kicad_iface.h
+++ b/pcbnew/router/pns_kicad_iface.h
@@ -62,6 +62,7 @@ class PNS_KICAD_IFACE_BASE : public PNS::ROUTER_IFACE {
     bool IsItemVisible( const PNS::ITEM* aItem ) const override { return true; }
     void HideItem( PNS::ITEM* aItem ) override {}
     void DisplayItem( const PNS::ITEM* aItem, int aColor = 0, int aClearance = 0, bool aEdit = false ) override {}
+    void DisplayRatline( const SHAPE_LINE_CHAIN& aRatline, int aColor = -1 ) override {}
     void AddItem( PNS::ITEM* aItem ) override;
     void RemoveItem( PNS::ITEM* aItem ) override;
     void Commit() override {}
@@ -117,6 +118,7 @@ class PNS_KICAD_IFACE : public PNS_KICAD_IFACE_BASE {
     bool IsOnLayer( const PNS::ITEM* aItem, int aLayer ) const override;
     void HideItem( PNS::ITEM* aItem ) override;
     void DisplayItem( const PNS::ITEM* aItem, int aColor = 0, int aClearance = 0, bool aEdit = false ) override;
+    void DisplayRatline( const SHAPE_LINE_CHAIN& aRatline, int aColor = -1 ) override;
     void Commit() override;
     void AddItem( PNS::ITEM* aItem ) override;
     void RemoveItem( PNS::ITEM* aItem ) override;
diff --git a/pcbnew/router/pns_line_placer.cpp b/pcbnew/router/pns_line_placer.cpp
index 42744de4586..736e3a9d006 100644
--- a/pcbnew/router/pns_line_placer.cpp
+++ b/pcbnew/router/pns_line_placer.cpp
@@ -1367,7 +1367,7 @@ void LINE_PLACER::updateLeadingRatLine()
     TOPOLOGY topo( m_lastNode );
 
     if( topo.LeadingRatLine( &current, ratLine ) )
-        Dbg()->AddLine( ratLine, 5, 10000 );
+        m_router->GetInterface()->DisplayRatline( ratLine, 5 );
 }
 
 
diff --git a/pcbnew/router/pns_router.h b/pcbnew/router/pns_router.h
index 41e705b5b1c..7f9d465cfbe 100644
--- a/pcbnew/router/pns_router.h
+++ b/pcbnew/router/pns_router.h
@@ -102,6 +102,7 @@ enum DRAG_MODE
         virtual bool IsItemVisible( const PNS::ITEM* aItem ) const = 0;
         virtual bool IsOnLayer( const PNS::ITEM* aItem, int aLayer ) const = 0;
         virtual void DisplayItem( const ITEM* aItem, int aColor = -1, int aClearance = -1, bool aEdit = false ) = 0;
+        virtual void DisplayRatline( const SHAPE_LINE_CHAIN& aRatline, int aColor = -1 ) = 0;
         virtual void HideItem( ITEM* aItem ) = 0;
         virtual void Commit() = 0;
         virtual bool ImportSizes( SIZES_SETTINGS& aSizes, ITEM* aStartItem, int aNet ) = 0;