From e60837ec95783aae48151235ed224d08112b044a Mon Sep 17 00:00:00 2001
From: Jeff Young <jeff@rokeby.ie>
Date: Mon, 13 Mar 2023 18:29:14 +0000
Subject: [PATCH] Defenses in depth for ratsnest drawing.

---
 pcbnew/ratsnest/ratsnest_view_item.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pcbnew/ratsnest/ratsnest_view_item.cpp b/pcbnew/ratsnest/ratsnest_view_item.cpp
index b3db037d18..ee4f5e7238 100644
--- a/pcbnew/ratsnest/ratsnest_view_item.cpp
+++ b/pcbnew/ratsnest/ratsnest_view_item.cpp
@@ -158,7 +158,7 @@ void RATSNEST_VIEW_ITEM::ViewDraw( int aLayer, KIGFX::VIEW* aView ) const
 
         RN_NET* net = m_data->GetRatsnestForNet( i );
 
-        if( !net )
+        if( !net || m_data->GetConnectivityAlgo()->IsNetDirty( i ) )
             continue;
 
         if( colorByNet && netColors.count( i ) )