diff --git a/scripts/InstallScripts/InstallPrawnOS.sh b/scripts/InstallScripts/InstallPrawnOS.sh
index 701b06acf..9fb6ba84e 100755
--- a/scripts/InstallScripts/InstallPrawnOS.sh
+++ b/scripts/InstallScripts/InstallPrawnOS.sh
@@ -40,9 +40,9 @@ get_emmc_devname() {
     local devname=$(ls /dev/mmcblk* | grep -F boot0 | sed "s/boot0//")
     if [ -z "$devname" ]
     then
-        echo "Unknown device! can't determine emmc devname. Please file an issue with the output of fdisk -l if you get this on a supported device"; exit 1;;
+        echo "Unknown device! can't determine emmc devname. Please file an issue with the output of fdisk -l if you get this on a supported device"; exit 1;
     fi
-    echo $devname
+    echo $(basename $devname)
 }