--- a/docs/makefile	Tue Sep 11 15:59:27 2012 +0200
+++ b/docs/makefile	Tue Sep 11 16:17:11 2012 +0200
@@ -5,7 +5,7 @@
 tutorial:
 	python test2rst.py tutorials/
 
-logo-evolve.ico:
+static/logo-evolve.ico: static/logo-evolve.svg
 	convert -resize 36x36 static/logo-evolve.svg static/logo-evolve.ico