diff --git a/src/path_converters.h b/src/path_converters.h
index 88c8d240dd5b..dd6a98831a28 100644
--- a/src/path_converters.h
+++ b/src/path_converters.h
@@ -382,7 +382,7 @@ class PathClipper
                         return code;
                     }
                 }
-                else if (code == agg::path_cmd_end_poly | agg::path_flags_close
+                else if (code == (agg::path_cmd_end_poly | agg::path_flags_close)
                          && m_broke_path && m_has_init)
                 {
                     *x = m_initX;