diff --git a/pcbnew/board_commit.cpp b/pcbnew/board_commit.cpp
index c50a9ce6c1..8ddfbcb32e 100644
--- a/pcbnew/board_commit.cpp
+++ b/pcbnew/board_commit.cpp
@@ -263,6 +263,7 @@ void BOARD_COMMIT::Push( const wxString& aMessage, bool aCreateUndoEntry )
                 }
 
                 view->Update ( boardItem );
+                connectivity->MarkItemNetAsDirty( static_cast<BOARD_ITEM*>( ent.m_copy ) );
                 connectivity->Update( boardItem );
                 break;
             }
diff --git a/pcbnew/connectivity.cpp b/pcbnew/connectivity.cpp
index 750f84ffe6..b1e510a30b 100644
--- a/pcbnew/connectivity.cpp
+++ b/pcbnew/connectivity.cpp
@@ -574,3 +574,18 @@ RN_NET* CONNECTIVITY_DATA::GetRatsnestForNet( int aNet )
     }
     return m_nets[ aNet ];
 }
+
+void CONNECTIVITY_DATA::MarkItemNetAsDirty( BOARD_ITEM *aItem )
+{
+    if (aItem->Type() == PCB_MODULE_T)
+    {
+        for ( auto pad : static_cast<MODULE*>( aItem )->Pads() )
+        {
+            m_connAlgo->MarkNetAsDirty( pad->GetNetCode() );
+        }
+    }
+    if (aItem->IsConnected() )
+    {
+        m_connAlgo->MarkNetAsDirty( static_cast<BOARD_CONNECTED_ITEM*>( aItem )->GetNetCode() );
+    }
+}
diff --git a/pcbnew/connectivity.h b/pcbnew/connectivity.h
index 803a3b871c..bcd5cfa491 100644
--- a/pcbnew/connectivity.h
+++ b/pcbnew/connectivity.h
@@ -210,6 +210,8 @@ public:
         return m_connAlgo;
     }
 
+    void MarkItemNetAsDirty( BOARD_ITEM* aItem );
+
 private:
 
     void    updateRatsnest();