diff --git a/include/mapnik/vertex_cache.hpp b/include/mapnik/vertex_cache.hpp
index 119a6668c..3c3a57a63 100644
--- a/include/mapnik/vertex_cache.hpp
+++ b/include/mapnik/vertex_cache.hpp
@@ -104,6 +104,7 @@ public:
 
     pixel_position const& current_position() const { return current_position_; }
     double angle(double width=0.);
+    double current_segment_angle();
     double linear_position() const { return position_; }
 
 
@@ -142,7 +143,6 @@ private:
     void rewind_subpath();
     bool next_segment();
     bool previous_segment();
-    double current_segment_angle();
     void find_line_circle_intersection(
         double cx, double cy, double radius,
         double x1, double y1, double x2, double y2,