diff --git a/src/StdMeshers/StdMeshers_FaceSide.hxx b/src/StdMeshers/StdMeshers_FaceSide.hxx
index c690683f0..baa0c26c4 100644
--- a/src/StdMeshers/StdMeshers_FaceSide.hxx
+++ b/src/StdMeshers/StdMeshers_FaceSide.hxx
@@ -45,7 +45,7 @@ class Adaptor2d_Curve2d;
 class Adaptor3d_Curve;
 class BRepAdaptor_CompCurve;
 class TopoDS_Face;
-class SMESH_ComputeError;
+struct SMESH_ComputeError;
 
 typedef struct uvPtStruct
 {