diff --git a/src/GEOMAlgo/GEOMAlgo_FinderShapeOnQuad.hxx b/src/GEOMAlgo/GEOMAlgo_FinderShapeOnQuad.hxx
index fe9ed8e66..6b15851b1 100644
--- a/src/GEOMAlgo/GEOMAlgo_FinderShapeOnQuad.hxx
+++ b/src/GEOMAlgo/GEOMAlgo_FinderShapeOnQuad.hxx
@@ -52,9 +52,9 @@ protected:
 private:
 
   bool                         myConcaveQuad;
-  vector<bool>                 myConcaveSide;
-  vector<gp_Pnt>               myPoints;
-  vector<GeomAdaptor_Surface>  myPlanes;
+  std::vector<bool>                 myConcaveSide;
+  std::vector<gp_Pnt>               myPoints;
+  std::vector<GeomAdaptor_Surface>  myPlanes;
   gp_Vec                       myQuadNormal;
 };
 #endif