diff --git a/source/masfm.cpp b/source/masfm.cpp
index 25c2597..3c35ec4 100644
--- a/source/masfm.cpp
+++ b/source/masfm.cpp
@@ -112,7 +112,7 @@ struct VisCMGraph : public cmg::CMGraph::Callback {
 		const cmg::Node& last_view = G.views[G.views.size() - 1];
 		const cv::Vec3d last_view_center(last_view.t().data());
 		cv::viz::WWidgetMerger cur_lines_of_sight;
-		for each (const EID eid in last_view.vmeids)
+		for (const auto& eid:last_view.vmeids)
 		{
 			const Node& marker = G.markers[G.edges[eid].mid];
 			cur_lines_of_sight.addWidget(
@@ -611,4 +611,4 @@ int main(const int argc, const char **argv, const char** envp )
 		tagle("catched some exceptions, exit!");
 		return -1;
 	}
-}
\ No newline at end of file
+}