diff --git a/src/agg/process_shield_symbolizer.cpp b/src/agg/process_shield_symbolizer.cpp
index 1724ccba1..9577a2c21 100644
--- a/src/agg/process_shield_symbolizer.cpp
+++ b/src/agg/process_shield_symbolizer.cpp
@@ -265,10 +265,10 @@ void  agg_renderer<T>::process(shield_symbolizer const& sym,
             {
                 text_renderer<T> ren(pixmap_, faces, *strk);
                 
-                ren.set_pixel_size(sym.get_text_size());
+                ren.set_pixel_size(sym.get_text_size() * scale_factor_);
                 ren.set_fill(sym.get_fill());
                 ren.set_halo_fill(sym.get_halo_fill());
-                ren.set_halo_radius(sym.get_halo_radius());
+                ren.set_halo_radius(sym.get_halo_radius() * scale_factor_);
                 ren.set_opacity(sym.get_text_opacity());
                 
                 placement_finder<label_collision_detector4> finder(detector_);