diff --git a/src/SMESH/SMESH_MeshEditor.cxx b/src/SMESH/SMESH_MeshEditor.cxx
index 55bd1be81..42f16ded3 100644
--- a/src/SMESH/SMESH_MeshEditor.cxx
+++ b/src/SMESH/SMESH_MeshEditor.cxx
@@ -90,7 +90,7 @@
 #include <gp_XY.hxx>
 #include <gp_XYZ.hxx>
 
-#include <math.h>
+#include <cmath>
 
 #include <map>
 #include <set>