diff --git a/idl/SMESH_BasicHypothesis.idl b/idl/SMESH_BasicHypothesis.idl
index cf2984bb3..9fe9370ee 100644
--- a/idl/SMESH_BasicHypothesis.idl
+++ b/idl/SMESH_BasicHypothesis.idl
@@ -603,6 +603,22 @@ module StdMeshers
   {
   };
 
+  /*!
+   * StdMeshers_UseExisting_2D: interface of "UseExisting 2D" algorithm
+   * doing nothing to allow mesh generation by mesh edition functions in TUI mode
+   */
+  interface StdMeshers_UseExisting_2D : SMESH::SMESH_2D_Algo
+  {
+  };
+
+  /*!
+   * StdMeshers_UseExisting_1D: interface of "UseExisting 1D" algorithm
+   * doing nothing to allow mesh generation by mesh edition functions in TUI mode
+   */
+  interface StdMeshers_UseExisting_1D : SMESH::SMESH_1D_Algo
+  {
+  };
+
 };
 
 #endif