1diff --git a/third_party/agg23/agg_path_storage.h b/third_party/agg23/agg_path_storage.h
2index dc13851..7f21bac 100644
3--- a/third_party/agg23/agg_path_storage.h
4+++ b/third_party/agg23/agg_path_storage.h
5@@ -38,9 +38,9 @@ public:
6         }
7         unsigned vertex(FX_FLOAT* x, FX_FLOAT* y)
8         {
9-            return (m_vertex_idx < m_path->total_vertices()) ?
10-                   m_path->vertex(m_vertex_idx++, x, y) :
11-                   path_cmd_stop;
12+          return (m_vertex_idx < m_path->total_vertices())
13+                     ? m_path->vertex(m_vertex_idx++, x, y)
14+                     : static_cast<unsigned>(path_cmd_stop);
15         }
16     private:
17         const path_storage* m_path;
18