diff --git a/src/agg/agg_renderer.cpp b/src/agg/agg_renderer.cpp
index a3af6c492..8b8469656 100644
--- a/src/agg/agg_renderer.cpp
+++ b/src/agg/agg_renderer.cpp
@@ -379,15 +379,18 @@ void agg_renderer<T>::render_marker(pixel_position const& pos, marker const& mar
                                              src.height(),
                                              src.width()*4);
             agg::pixfmt_rgba32_pre pixf(marker_buf);
-
             typedef agg::image_accessor_clone<agg::pixfmt_rgba32_pre> img_accessor_type;
             typedef agg::span_interpolator_linear<agg::trans_affine> interpolator_type;
             typedef agg::span_image_filter_rgba_2x2<img_accessor_type,
                                                     interpolator_type> span_gen_type;
+            typedef agg::renderer_scanline_aa_alpha<renderer_base,
+                        agg::span_allocator<agg::rgba8>,
+                        span_gen_type> renderer_type;
             img_accessor_type ia(pixf);
             interpolator_type interpolator(agg::trans_affine(p, 0, 0, width, height) );
             span_gen_type sg(ia, interpolator, filter);
-            agg::render_scanlines_aa(*ras_ptr, sl, renb, sa, sg);
+            renderer_type rp(renb,sa, sg, unsigned(opacity*255));
+            agg::render_scanlines(*ras_ptr, sl, rp);
         }
     }
 }