diff --git a/bindings/python/mapnik_image.cpp b/bindings/python/mapnik_image.cpp
index 9107aa881..3884b5c2e 100644
--- a/bindings/python/mapnik_image.cpp
+++ b/bindings/python/mapnik_image.cpp
@@ -149,7 +149,7 @@ void blend (image_32 & im, unsigned x, unsigned y, image_32 const& im2, float op
 
 void composite(image_32 & im, image_32 & im2, mapnik::composite_mode_e mode, float opacity)
 {
-    mapnik::composite(im.data(),im2.data(),mode,opacity,0,0,true,true);
+    mapnik::composite(im.data(),im2.data(),mode,opacity,0,0,false,true);
 }
 
 #if defined(HAVE_CAIRO) && defined(HAVE_PYCAIRO)