diff --git a/eeschema/connection_graph.cpp b/eeschema/connection_graph.cpp
index c26724995f..ee0b48064f 100644
--- a/eeschema/connection_graph.cpp
+++ b/eeschema/connection_graph.cpp
@@ -1759,7 +1759,7 @@ int CONNECTION_GRAPH::assignNewNetCode( SCH_CONNECTION& aConnection )
 
 void CONNECTION_GRAPH::assignNetCodesToBus( SCH_CONNECTION* aConnection )
 {
-    std::vector< std::shared_ptr<SCH_CONNECTION>>& connections_to_check( aConnection->Members() );
+    std::vector<std::shared_ptr<SCH_CONNECTION>> connections_to_check( aConnection->Members() );
 
     for( unsigned i = 0; i < connections_to_check.size(); i++ )
     {
diff --git a/eeschema/sch_connection.h b/eeschema/sch_connection.h
index c846fc79e8..3ec40c746a 100644
--- a/eeschema/sch_connection.h
+++ b/eeschema/sch_connection.h
@@ -185,11 +185,6 @@ public:
 
     wxString VectorPrefix() const { return m_vector_prefix; }
 
-    std::vector< std::shared_ptr< SCH_CONNECTION > >& Members()
-    {
-        return m_members;
-    }
-
     const std::vector< std::shared_ptr< SCH_CONNECTION > >& Members() const
     {
         return m_members;
diff --git a/eeschema/sch_line.cpp b/eeschema/sch_line.cpp
index 99bae09c1a..e13a590389 100644
--- a/eeschema/sch_line.cpp
+++ b/eeschema/sch_line.cpp
@@ -872,7 +872,7 @@ void SCH_LINE::Plot( PLOTTER* aPlotter, bool aBackground ) const
     {
         if( SCH_CONNECTION* connection = Connection() )
         {
-            for( std::shared_ptr<SCH_CONNECTION>& member : connection->Members() )
+            for( const std::shared_ptr<SCH_CONNECTION>& member : connection->Members() )
                 properties.emplace_back( wxT( "!" ) + member->Name() );
         }