diff --git a/picodrive.sh b/picodrive.sh
index 43c93d87..cded5021 100755
--- a/picodrive.sh
+++ b/picodrive.sh
@@ -1,7 +1,6 @@
 #!/bin/sh
 # Check md5 of the PicoDrive binary in /usr/games
-myhash=$(md5sum /usr/games/PicoDrive | cut -d' ' -f1)
-if [ $myhash != "5b42024e8e3a20e5a8b58ccd203b7c90" ] || [ ! -f /usr/games/PicoDrive ]; then
+if [ `md5sum /usr/games/PicoDrive | cut -d' ' -f1` != `md5sum PicoDrive | cut -d' ' -f1` ]; then
 	rw
 	cp -f PicoDrive /usr/games
 	ro