diff --git a/src/SMESH/SMESH_subMesh.cxx b/src/SMESH/SMESH_subMesh.cxx
index 85a1bcda9..12acd6070 100644
--- a/src/SMESH/SMESH_subMesh.cxx
+++ b/src/SMESH/SMESH_subMesh.cxx
@@ -2078,7 +2078,7 @@ namespace {
               SMESH_subMesh*                 prepend,
               SMESH_subMesh*                 append): myIt(subIt),myAppend(append)
     {
-      myCur = prepend ? prepend : myIt->more() ? myIt->next() : 0;
+      myCur = prepend ? prepend : myIt->more() ? myIt->next() : append;
     }
     /// Return true if and only if there are other object in this iterator
     virtual bool more()