diff --git a/wrap/gl/tetramesh.h b/wrap/gl/tetramesh.h
index 5c6fc9eb..c707b272 100644
--- a/wrap/gl/tetramesh.h
+++ b/wrap/gl/tetramesh.h
@@ -201,7 +201,7 @@ private:
 template <ColorMode cm >
  void _DrawSmallTetra(){
 		Point3x p[4],br;
-		CONT_TETRA::iterator it;
+		typename CONT_TETRA::iterator it;
 		glPushAttrib(0xffffffff);
 		glEnable(GL_COLOR_MATERIAL);
 		glEnable(GL_LIGHT0);
@@ -245,7 +245,7 @@ void 	_DrawFlatWire(){
 
 template <DrawMode dm,NormalMode nm,ColorMode cm >
 void _DrawSurface(){
-		CONT_TETRA::iterator it;
+		typename CONT_TETRA::iterator it;
 
 		glPushAttrib(0xffff);
 		glEnable(GL_COLOR_MATERIAL);
@@ -435,4 +435,4 @@ void _DrawSmallTetra(TetraType &t)
 
 } // end namespace tetra	
 } // end nemaspace tri
-#endif
\ No newline at end of file
+#endif