diff --git a/src/sdinstall-rpi.sh b/src/sdinstall-rpi.sh
index bdf1247..b669948 100755
--- a/src/sdinstall-rpi.sh
+++ b/src/sdinstall-rpi.sh
@@ -52,7 +52,7 @@ echo ,,,-
    exit $?
 }
 
-mkfs.vfat -F 32 -n "boot" $PARTITION1
+mkfs.vfat -F 32 -n "BOOT" $PARTITION1
 mke2fs -t ext4 -j -L "openmamba" $PARTITION2
 
 ### SD-Card: install software
@@ -62,11 +62,11 @@ SWHOME=`mktemp -d`
 cd $SWHOME
 git clone git://github.com/raspberrypi/firmware.git --depth=1
 
-BOOTMP=/media/boot
+BOOTMP=/media/BOOT
 ROOTMP=/media/openmamba
 
-[ -e /media/boot -o -e /media/openmamba ] && {
-   echo "ERROR: /media/boot or /media/openmamba already exist."
+[ -e $BOOTMP -o -e $ROOTMP ] && {
+   echo "ERROR: /media/BOOT or /media/openmamba already exist."
    exit 1
 }