diff --git a/eeschema/connection_graph.cpp b/eeschema/connection_graph.cpp
index 578f218459..71db043502 100644
--- a/eeschema/connection_graph.cpp
+++ b/eeschema/connection_graph.cpp
@@ -1002,7 +1002,7 @@ void CONNECTION_GRAPH::buildConnectionGraph()
         {
         }
 
-        if( subgraph && subgraph->m_driver )
+        if( subgraph && subgraph->m_driver_connection )
         {
             auto parent = subgraph->m_driver_connection;
             pc->Connection( sheet )->Clone( *parent );
diff --git a/eeschema/connection_graph.h b/eeschema/connection_graph.h
index d2fab3b4ee..fcf903ec59 100644
--- a/eeschema/connection_graph.h
+++ b/eeschema/connection_graph.h
@@ -67,7 +67,7 @@ public:
     CONNECTION_SUBGRAPH( SCH_EDIT_FRAME* aFrame ) :
         m_dirty( false ), m_code( -1 ), m_multiple_power_ports( false ),
         m_strong_driver( false ), m_no_connect( nullptr ), m_driver( nullptr ),
-        m_frame( aFrame )
+        m_frame( aFrame ), m_driver_connection( nullptr )
     {}
     /**
      * Determines which potential driver should drive the subgraph.