diff --git a/logo.png b/logo.png
index 14beaac..7d2c128 100644
Binary files a/logo.png and b/logo.png differ
diff --git a/tools/logo.pov b/tools/logo.pov
index ec37792..4247a8c 100644
--- a/tools/logo.pov
+++ b/tools/logo.pov
@@ -59,6 +59,10 @@ light_source {
 	parallel point_at <0, 0, 0>
 }
 
+background {
+	color rgbt <0, 0, 0, 0>
+}
+
 camera {
 	location <1.5, 2.5, -10>
 	look_at <0, 0.75, 0>
diff --git a/tools/logo.sh b/tools/logo.sh
index 8bb2467..19de0ca 100755
--- a/tools/logo.sh
+++ b/tools/logo.sh
@@ -1,3 +1,3 @@
 #!/bin/sh
 # $Id$
-povray +W256 +H256 +Ologo.png tools/logo.pov
+povray +UA +W256 +H256 +Ologo.png tools/logo.pov