diff --git a/make_spectre_os-pi.sh b/make_spectre_os-pi.sh
index 7fc5383..766c838 100755
--- a/make_spectre_os-pi.sh
+++ b/make_spectre_os-pi.sh
@@ -10,6 +10,10 @@ fdisk -l
 read -p "Geben sie eine Festplatte an: /dev/sda : " device
 [[ -z "${device}" ]] && device=/dev/sda
 
+if [ "${device}" == "/dev/mmcblk0" ]; then
+  m2ssddevice=p
+fi
+
 name=spectre_os
 arch=armV7
 out_dir=out
@@ -17,22 +21,22 @@ out_dir=out
 mkdir -p boot
 mkdir -p root
 
-if cat /proc/mounts | grep "$device"1 > /dev/null; then
+if cat /proc/mounts | grep ${device}${m2ssddevice}1 > /dev/null; then
     echo "gemountet"
-    umount "$device"1
+    umount ${device}${m2ssddevice}1
 else
     echo "nicht gemountet"
 fi
 
-if cat /proc/mounts | grep "$device"2 > /dev/null; then
+if cat /proc/mounts | grep ${device}${m2ssddevice}2 > /dev/null; then
     echo "gemountet"
-    umount "$device"2
+    umount ${device}${m2ssddevice}2
 else
     echo "nicht gemountet"
 fi
 
-mount "$device"1 boot
-mount "$device"2 root
+mount ${device}${m2ssddevice}1 boot
+mount ${device}${m2ssddevice}2 root
 
 cp -R boot/* root/boot/