diff --git a/setup b/setup
index b890ec3..15562dc 100755
--- a/setup
+++ b/setup
@@ -271,9 +271,9 @@ do
 			then
 				fallocate -l 800M ${TMPDIR}/recovery-highsierra.iso > ${LOGFILE} 2>> ${LOGFILE}
 				mkfs.msdos -F 32 ${TMPDIR}/recovery-highsierra.iso -n HIGHSIERRA >> ${LOGFILE} 2>> ${LOGFILE}
-				losetup /dev/loop0 ${TMPDIR}/recovery-highsierra.iso >> ${LOGFILE} 2>> ${LOGFILE}
+				LOOPDEV=`losetup -f --show ${TMPDIR}/recovery-highsierra.iso 2>> ${LOGFILE}`
 				mkdir -p /mnt/APPLE >> ${LOGFILE} 2>> ${LOGFILE}
-				mount /dev/loop0 /mnt/APPLE >> ${LOGFILE} 2>> ${LOGFILE}
+				mount ${LOOPDEV} /mnt/APPLE >> ${LOGFILE} 2>> ${LOGFILE}
 
 				mkdir /mnt/APPLE/com.apple.recovery.boot >> ${LOGFILE} 2>> ${LOGFILE}
 				cd /mnt/APPLE/com.apple.recovery.boot >> ${LOGFILE} 2>> ${LOGFILE}
@@ -284,7 +284,7 @@ do
 
 				umount /mnt/APPLE >> ${LOGFILE} 2>> ${LOGFILE}
 				rmdir /mnt/APPLE
-				losetup -d /dev/loop0 >> ${LOGFILE} 2>> ${LOGFILE}
+				losetup -d ${LOOPDEV} >> ${LOGFILE} 2>> ${LOGFILE}
 
 				mv ${TMPDIR}/recovery-highsierra.iso ${ISODIR}
 
@@ -462,9 +462,9 @@ do
 			then
 				fallocate -l 800M ${TMPDIR}/recovery-mojave.iso > ${LOGFILE} 2>> ${LOGFILE}
 				mkfs.msdos -F 32 ${TMPDIR}/recovery-mojave.iso -n MOJAVE >> ${LOGFILE} 2>> ${LOGFILE}
-				losetup /dev/loop0 ${TMPDIR}/recovery-mojave.iso >> ${LOGFILE} 2>> ${LOGFILE}
+				LOOPDEV=`losetup -f --show ${TMPDIR}/recovery-mojave.iso 2>> ${LOGFILE}`
 				mkdir -p /mnt/APPLE >> ${LOGFILE} 2>> ${LOGFILE}
-				mount /dev/loop0 /mnt/APPLE >> ${LOGFILE} 2>> ${LOGFILE}
+				mount ${LOOPDEV} /mnt/APPLE >> ${LOGFILE} 2>> ${LOGFILE}
 
 				mkdir /mnt/APPLE/com.apple.recovery.boot >> ${LOGFILE} 2>> ${LOGFILE}
 				cd /mnt/APPLE/com.apple.recovery.boot >> ${LOGFILE} 2>> ${LOGFILE}
@@ -475,7 +475,7 @@ do
 
 				umount /mnt/APPLE >> ${LOGFILE} 2>> ${LOGFILE}
 				rmdir /mnt/APPLE
-				losetup -d /dev/loop0 >> ${LOGFILE} 2>> ${LOGFILE}
+				losetup -d ${LOOPDEV} >> ${LOGFILE} 2>> ${LOGFILE}
 
 				mv ${TMPDIR}/recovery-mojave.iso ${ISODIR}
 
@@ -653,9 +653,9 @@ do
 			then
 				fallocate -l 800M ${TMPDIR}/recovery-catalina.iso > ${LOGFILE} 2>> ${LOGFILE}
 				mkfs.msdos -F 32 ${TMPDIR}/recovery-catalina.iso -n CATALINA >> ${LOGFILE} 2>> ${LOGFILE}
-				losetup /dev/loop0 ${TMPDIR}/recovery-catalina.iso >> ${LOGFILE} 2>> ${LOGFILE}
+				LOOPDEV=`losetup -f --show ${TMPDIR}/recovery-catalina.iso 2>> ${LOGFILE}`
 				mkdir -p /mnt/APPLE >> ${LOGFILE} 2>> ${LOGFILE}
-				mount /dev/loop0 /mnt/APPLE >> ${LOGFILE} 2>> ${LOGFILE}
+				mount ${LOOPDEV} /mnt/APPLE >> ${LOGFILE} 2>> ${LOGFILE}
 
 				mkdir /mnt/APPLE/com.apple.recovery.boot >> ${LOGFILE} 2>> ${LOGFILE}
 				cd /mnt/APPLE/com.apple.recovery.boot >> ${LOGFILE} 2>> ${LOGFILE}
@@ -666,7 +666,7 @@ do
 
 				umount /mnt/APPLE >> ${LOGFILE} 2>> ${LOGFILE}
 				rmdir /mnt/APPLE
-				losetup -d /dev/loop0 >> ${LOGFILE} 2>> ${LOGFILE}
+				losetup -d ${LOOPDEV} >> ${LOGFILE} 2>> ${LOGFILE}
 
 				mv ${TMPDIR}/recovery-catalina.iso ${ISODIR}
 
@@ -844,9 +844,9 @@ do
 			then
 				fallocate -l 800M ${TMPDIR}/recovery-bigsur.iso > ${LOGFILE} 2>> ${LOGFILE}
 				mkfs.msdos -F 32 ${TMPDIR}/recovery-bigsur.iso -n BIGSUR >> ${LOGFILE} 2>> ${LOGFILE}
-				losetup /dev/loop0 ${TMPDIR}/recovery-bigsur.iso >> ${LOGFILE} 2>> ${LOGFILE}
+				LOOPDEV=`losetup -f --show ${TMPDIR}/recovery-bigsur.iso 2>> ${LOGFILE}`
 				mkdir -p /mnt/APPLE >> ${LOGFILE} 2>> ${LOGFILE}
-				mount /dev/loop0 /mnt/APPLE >> ${LOGFILE} 2>> ${LOGFILE}
+				mount ${LOOPDEV} /mnt/APPLE >> ${LOGFILE} 2>> ${LOGFILE}
 
 				mkdir /mnt/APPLE/com.apple.recovery.boot >> ${LOGFILE} 2>> ${LOGFILE}
 				cd /mnt/APPLE/com.apple.recovery.boot >> ${LOGFILE} 2>> ${LOGFILE}
@@ -857,7 +857,7 @@ do
 
 				umount /mnt/APPLE >> ${LOGFILE} 2>> ${LOGFILE}
 				rmdir /mnt/APPLE
-				losetup -d /dev/loop0 >> ${LOGFILE} 2>> ${LOGFILE}
+				losetup -d ${LOOPDEV} >> ${LOGFILE} 2>> ${LOGFILE}
 
 				mv ${TMPDIR}/recovery-bigsur.iso ${ISODIR}
 
@@ -1035,9 +1035,9 @@ do
 			then
 				fallocate -l 800M ${TMPDIR}/recovery-monterey.iso > ${LOGFILE} 2>> ${LOGFILE}
 				mkfs.msdos -F 32 ${TMPDIR}/recovery-monterey.iso -n MONTEREY >> ${LOGFILE} 2>> ${LOGFILE}
-				losetup /dev/loop0 ${TMPDIR}/recovery-monterey.iso >> ${LOGFILE} 2>> ${LOGFILE}
+				LOOPDEV=`losetup -f --show ${TMPDIR}/recovery-monterey.iso 2>> ${LOGFILE}`
 				mkdir -p /mnt/APPLE >> ${LOGFILE} 2>> ${LOGFILE}
-				mount /dev/loop0 /mnt/APPLE >> ${LOGFILE} 2>> ${LOGFILE}
+				mount ${LOOPDEV} /mnt/APPLE >> ${LOGFILE} 2>> ${LOGFILE}
 
 				mkdir /mnt/APPLE/com.apple.recovery.boot >> ${LOGFILE} 2>> ${LOGFILE}
 				cd /mnt/APPLE/com.apple.recovery.boot >> ${LOGFILE} 2>> ${LOGFILE}
@@ -1048,7 +1048,7 @@ do
 
 				umount /mnt/APPLE >> ${LOGFILE} 2>> ${LOGFILE}
 				rmdir /mnt/APPLE
-				losetup -d /dev/loop0 >> ${LOGFILE} 2>> ${LOGFILE}
+				losetup -d ${LOOPDEV} >> ${LOGFILE} 2>> ${LOGFILE}
 
 				mv ${TMPDIR}/recovery-monterey.iso ${ISODIR}
 
@@ -1226,9 +1226,9 @@ do
 			then
 				fallocate -l 800M ${TMPDIR}/recovery-ventura.iso > ${LOGFILE} 2>> ${LOGFILE}
 				mkfs.msdos -F 32 ${TMPDIR}/recovery-ventura.iso -n VENTURA >> ${LOGFILE} 2>> ${LOGFILE}
-				losetup /dev/loop0 ${TMPDIR}/recovery-ventura.iso >> ${LOGFILE} 2>> ${LOGFILE}
+				LOOPDEV=`losetup -f --show ${TMPDIR}/recovery-ventura.iso 2>> ${LOGFILE}`
 				mkdir -p /mnt/APPLE >> ${LOGFILE} 2>> ${LOGFILE}
-				mount /dev/loop0 /mnt/APPLE >> ${LOGFILE} 2>> ${LOGFILE}
+				mount ${LOOPDEV} /mnt/APPLE >> ${LOGFILE} 2>> ${LOGFILE}
 
 				mkdir /mnt/APPLE/com.apple.recovery.boot >> ${LOGFILE} 2>> ${LOGFILE}
 				cd /mnt/APPLE/com.apple.recovery.boot >> ${LOGFILE} 2>> ${LOGFILE}
@@ -1239,7 +1239,7 @@ do
 
 				umount /mnt/APPLE >> ${LOGFILE} 2>> ${LOGFILE}
 				rmdir /mnt/APPLE
-				losetup -d /dev/loop0 >> ${LOGFILE} 2>> ${LOGFILE}
+				losetup -d ${LOOPDEV} >> ${LOGFILE} 2>> ${LOGFILE}
 
 				mv ${TMPDIR}/recovery-ventura.iso ${ISODIR}