Index: uspace/lib/gui/canvas.c
===================================================================
--- uspace/lib/gui/canvas.c	(revision 2cc1ec062d6e172ce570169e6b0485b9da3db610)
+++ uspace/lib/gui/canvas.c	(revision fb41d4498defd19c7349af2f58df51a13bfaddfd)
@@ -58,5 +58,6 @@
 	source_init(&source);
 	source_set_transform(&source, transform);
-	source_set_texture(&source, canvas->surface, false);
+	source_set_texture(&source, canvas->surface,
+	    PIXELMAP_EXTEND_TRANSPARENT_BLACK);
 	
 	drawctx_t drawctx;