diff --git a/eeschema/sch_connection.cpp b/eeschema/sch_connection.cpp
index e44b8c0d17..e783d4b66c 100644
--- a/eeschema/sch_connection.cpp
+++ b/eeschema/sch_connection.cpp
@@ -84,7 +84,8 @@ SCH_CONNECTION::SCH_CONNECTION( CONNECTION_GRAPH* aGraph ) :
 }
 
 
-SCH_CONNECTION::SCH_CONNECTION( SCH_CONNECTION& aOther )
+SCH_CONNECTION::SCH_CONNECTION( SCH_CONNECTION& aOther ) :
+        m_parent( nullptr )
 {
     Reset();
     Clone( aOther );