diff --git a/include/mapnik/geom_util.hpp b/include/mapnik/geom_util.hpp
index 4d90ae380..808b34b0f 100644
--- a/include/mapnik/geom_util.hpp
+++ b/include/mapnik/geom_util.hpp
@@ -263,6 +263,8 @@ bool middle_point(PathType & path, double & x, double & y)
     return true;
 }
 
+namespace label {
+
 template <typename PathType>
 bool centroid(PathType & path, double & x, double & y)
 {
@@ -347,10 +349,10 @@ bool hit_test(PathType & path, double x, double y, double tol)
 }
 
 template <typename PathType>
-void label_interior_position(PathType & path, double & x, double & y)
+void interior_position(PathType & path, double & x, double & y)
 {
     // start with the centroid
-    centroid(path, x,y);
+    label::centroid(path, x,y);
 
     // if we are not a polygon, or the default is within the polygon we are done
     if (hit_test(path,x,y,0.001))
@@ -417,6 +419,6 @@ void label_interior_position(PathType & path, double & x, double & y)
     }
 }
 
-}
+}}
 
 #endif // MAPNIK_GEOM_UTIL_HPP
diff --git a/src/agg/process_point_symbolizer.cpp b/src/agg/process_point_symbolizer.cpp
index 0127c3460..c2b7b7988 100644
--- a/src/agg/process_point_symbolizer.cpp
+++ b/src/agg/process_point_symbolizer.cpp
@@ -82,7 +82,7 @@ void agg_renderer<T>::process(point_symbolizer const& sym,
             double y;
             double z=0;
             if (sym.get_point_placement() == CENTROID_POINT_PLACEMENT)
-                centroid(geom, x, y);
+                label::centroid(geom, x, y);
             else
                 label_interior_position(geom ,x, y);
 
@@ -119,4 +119,3 @@ template void agg_renderer<image_32>::process(point_symbolizer const&,
                                               proj_transform const&);
 
 }
-
diff --git a/src/cairo_renderer.cpp b/src/cairo_renderer.cpp
index 518c613e7..15ec68eb7 100644
--- a/src/cairo_renderer.cpp
+++ b/src/cairo_renderer.cpp
@@ -1158,7 +1158,7 @@ void cairo_renderer_base::process(point_symbolizer const& sym,
             double z = 0;
 
             if (sym.get_point_placement() == CENTROID_POINT_PLACEMENT)
-                centroid(geom, x, y);
+                label::centroid(geom, x, y);
             else
                 label_interior_position(geom, x, y);
 
diff --git a/src/grid/process_point_symbolizer.cpp b/src/grid/process_point_symbolizer.cpp
index 211a3035d..c2cb15fe2 100644
--- a/src/grid/process_point_symbolizer.cpp
+++ b/src/grid/process_point_symbolizer.cpp
@@ -74,7 +74,7 @@ void grid_renderer<T>::process(point_symbolizer const& sym,
             double y;
             double z=0;
             if (sym.get_point_placement() == CENTROID_POINT_PLACEMENT)
-                centroid(geom, x, y);
+                label::centroid(geom, x, y);
             else
                 label_interior_position(geom, x, y);
 
@@ -105,4 +105,3 @@ template void grid_renderer<grid>::process(point_symbolizer const&,
                                            proj_transform const&);
 
 }
-
diff --git a/src/symbolizer_helpers.cpp b/src/symbolizer_helpers.cpp
index f54e039fb..1cf014bb9 100644
--- a/src/symbolizer_helpers.cpp
+++ b/src/symbolizer_helpers.cpp
@@ -244,11 +244,11 @@ void text_symbolizer_helper<FaceManagerT, DetectorT>::initialize_points()
         {
             if (how_placed == POINT_PLACEMENT)
             {
-                centroid(geom, label_x, label_y);
+                label::centroid(geom, label_x, label_y);
             }
             else if (how_placed == INTERIOR_PLACEMENT)
             {
-                label_interior_position(geom, label_x, label_y);
+                label::interior_position(geom, label_x, label_y);
             }
             else
             {