diff --git a/fs/skeleton/usr/bin/set_laser_channel.platform_gfiberlt b/fs/skeleton/usr/bin/set_laser_channel.platform_gfiberlt
index 439709e..48ced0e 100755
--- a/fs/skeleton/usr/bin/set_laser_channel.platform_gfiberlt
+++ b/fs/skeleton/usr/bin/set_laser_channel.platform_gfiberlt
@@ -40,7 +40,7 @@
 fi
 
 # Program the laser channel.
-result=$(i2cset -y 0 0x51 0x90 $1 i)
+result=$(i2cset -y 0 0x51 0x90 0 $1 i)
 if [ "$?" -ne "0" ]; then
   echo "Failed to set laser channel! i2cset error: $result"
   exit 1