diff --git a/scripts/app_functions.sh b/scripts/app_functions.sh
index 89761fe06a38..eaa4ee00f11f 100644
--- a/scripts/app_functions.sh
+++ b/scripts/app_functions.sh
@@ -78,7 +78,7 @@ run_uninstaller() {
 }
 
 restore_imgs() {
-  [ -z $SHA1 ] && return 1
+  local SHA1=$(grep_prop SHA1 $MAGISKTMP/.magisk/config)
   local BACKUPDIR=/data/magisk_backup_$SHA1
   [ -d $BACKUPDIR ] || return 1
 
@@ -232,7 +232,6 @@ app_init() {
   check_boot_ramdisk && RAMDISKEXIST=true
   get_flags >/dev/null
   run_migrations >/dev/null
-  SHA1=$(grep_prop SHA1 $MAGISKTMP/.magisk/config)
   check_encryption
 
   # Dump variables
diff --git a/scripts/util_functions.sh b/scripts/util_functions.sh
index b2afca9c0203..59817134b630 100644
--- a/scripts/util_functions.sh
+++ b/scripts/util_functions.sh
@@ -530,7 +530,7 @@ check_data() {
 }
 
 run_migrations() {
-  local LOCSHA1
+  local SHA1
   local TARGET
   # Legacy app installation
   local BACKUP=$MAGISKBIN/stock_boot*.gz
@@ -542,22 +542,23 @@ run_migrations() {
   # Legacy backup
   for gz in /data/stock_boot*.gz; do
     [ -f $gz ] || break
-    LOCSHA1=$(basename $gz | sed -e 's/stock_boot_//' -e 's/.img.gz//')
-    [ -z $LOCSHA1 ] && break
-    mkdir /data/magisk_backup_${LOCSHA1} 2>/dev/null
-    mv $gz /data/magisk_backup_${LOCSHA1}/boot.img.gz
+    SHA1=$(basename $gz | sed -e 's/stock_boot_//' -e 's/.img.gz//')
+    [ -z $SHA1 ] && break
+    mkdir /data/magisk_backup_${SHA1} 2>/dev/null
+    mv $gz /data/magisk_backup_${SHA1}/boot.img.gz
   done
 
   # Stock backups
-  LOCSHA1=$SHA1
+  SHA1=
   for name in boot dtb dtbo dtbs; do
     BACKUP=$MAGISKBIN/stock_${name}.img
     [ -f $BACKUP ] || continue
     if [ $name = 'boot' ]; then
-      LOCSHA1=$($MAGISKBIN/magiskboot sha1 $BACKUP)
-      mkdir /data/magisk_backup_${LOCSHA1} 2>/dev/null
+      SHA1=$($MAGISKBIN/magiskboot sha1 $BACKUP)
+      mkdir /data/magisk_backup_${SHA1} 2>/dev/null
     fi
-    TARGET=/data/magisk_backup_${LOCSHA1}/${name}.img
+    [ -z $SHA1 ] && break
+    TARGET=/data/magisk_backup_${SHA1}/${name}.img
     cp $BACKUP $TARGET
     rm -f $BACKUP
     gzip -9f $TARGET