diff --git a/rootfs/usr/local/bin/xvfb.sh b/rootfs/usr/local/bin/xvfb.sh
index 5c12d72..e26d504 100755
--- a/rootfs/usr/local/bin/xvfb.sh
+++ b/rootfs/usr/local/bin/xvfb.sh
@@ -1,3 +1,3 @@
 #!/bin/sh
 
-exec /usr/bin/Xvfb :1 -screen 0 1024x768x16
+exec /usr/bin/Xvfb :1 -screen 0 1024x768x24