diff --git a/src/SMESH/SMESH_Algo.cxx b/src/SMESH/SMESH_Algo.cxx
index 8aad675b4..da8647c40 100644
--- a/src/SMESH/SMESH_Algo.cxx
+++ b/src/SMESH/SMESH_Algo.cxx
@@ -76,7 +76,7 @@ SMESH_Algo::SMESH_Algo (int hypId, int studyId, SMESH_Gen * gen)
   gen->_mapAlgo[hypId] = this;
 
   _onlyUnaryInput = _requireDescretBoundary = _requireShape = true;
-  _quadraticMesh = false;
+  _quadraticMesh = _supportSubmeshes = false;
   _error = COMPERR_OK;
 }
 
diff --git a/src/StdMeshers/StdMeshers_RadialQuadrangle_1D2D.cxx b/src/StdMeshers/StdMeshers_RadialQuadrangle_1D2D.cxx
index 21570e7b3..5e454807e 100644
--- a/src/StdMeshers/StdMeshers_RadialQuadrangle_1D2D.cxx
+++ b/src/StdMeshers/StdMeshers_RadialQuadrangle_1D2D.cxx
@@ -82,6 +82,7 @@ StdMeshers_RadialQuadrangle_1D2D::StdMeshers_RadialQuadrangle_1D2D(int hypId,
   myNbLayerHypo = 0;
   myDistributionHypo = 0;
   _requireDescretBoundary = false;
+  _supportSubmeshes = true;
 }