diff --git a/src/SMESH/SMESH_MeshEditor.cxx b/src/SMESH/SMESH_MeshEditor.cxx
index 2c2fc35e0..5e7171660 100644
--- a/src/SMESH/SMESH_MeshEditor.cxx
+++ b/src/SMESH/SMESH_MeshEditor.cxx
@@ -8528,7 +8528,7 @@ SMESH_MeshEditor::SewFreeBorder (const SMDS_MeshNode* theBordFirstNode,
   // sew the border to the side 2
   // ============================
 
-  int nbNodes[]  = { nSide[0].size(), nSide[1].size() };
+  int nbNodes[]  = { (int)nSide[0].size(), (int)nSide[1].size() };
   int maxNbNodes = Max( nbNodes[0], nbNodes[1] );
 
   bool toMergeConformal = ( nbNodes[0] == nbNodes[1] );
diff --git a/src/StdMeshers/StdMeshers_Cartesian_3D.cxx b/src/StdMeshers/StdMeshers_Cartesian_3D.cxx
index 139257213..52ac9f8f3 100644
--- a/src/StdMeshers/StdMeshers_Cartesian_3D.cxx
+++ b/src/StdMeshers/StdMeshers_Cartesian_3D.cxx
@@ -3135,7 +3135,7 @@ namespace
     if ( !_vIntNodes.empty() )
       return false;
 
-    const int ijk[3] = { _i, _j, _k };
+    const size_t ijk[3] = { _i, _j, _k };
     F_IntersectPoint curIntPnt;
 
     // consider a cell to be in a hole if all links in any direction