diff --git a/mk_mmc.sh b/mk_mmc.sh
index 4d97c9a..fbfcbef 100755
--- a/mk_mmc.sh
+++ b/mk_mmc.sh
@@ -12,6 +12,7 @@ unset FIRMWARE
 unset SERIAL_MODE
 
 BOOT_LABEL=boot
+PARTITION_PREFIX=""
 
 DIR=$PWD
 
@@ -173,8 +174,8 @@ function cleanup_sd {
  echo "Umounting Partitions"
  echo ""
 
- sudo umount ${MMC}1 &> /dev/null || true
- sudo umount ${MMC}2 &> /dev/null || true
+ sudo umount ${MMC}${PARTITION_PREFIX}1 &> /dev/null || true
+ sudo umount ${MMC}${PARTITION_PREFIX}2 &> /dev/null || true
 
  sudo parted -s ${MMC} mklabel msdos
 }
@@ -199,12 +200,12 @@ echo ""
 echo "Formating Boot Partition"
 echo ""
 
-sudo mkfs.vfat -F 16 ${MMC}1 -n ${BOOT_LABEL}
+sudo mkfs.vfat -F 16 ${MMC}${PARTITION_PREFIX}1 -n ${BOOT_LABEL}
 
 sudo rm -rfd ${DIR}/disk || true
 
 mkdir ${DIR}/disk
-sudo mount ${MMC}1 ${DIR}/disk
+sudo mount ${MMC}${PARTITION_PREFIX}1 ${DIR}/disk
 
 sudo cp -v ${DIR}/dl/${MLO} ${DIR}/disk/MLO
 sudo cp -v ${DIR}/dl/${XLOAD} ${DIR}/disk/x-load.bin.ift
@@ -229,7 +230,7 @@ sudo chmod +x ${DIR}/disk/rebuild_uinitrd.sh
 
 cd ${DIR}/disk
 sync
-cd ${DIR}
+cd ${DIR}/
 sudo umount ${DIR}/disk || true
 echo "done"
 
@@ -339,6 +340,10 @@ while [ ! -z "$1" ]; do
         --mmc)
             checkparm $2
             MMC="$2"
+	    if [[ "${MMC}" =~ "mmcblk" ]]
+            then
+	        PARTITION_PREFIX="p"
+            fi
             check_mmc 
             ;;
         --distro)