diff --git a/scripts/util_functions.sh b/scripts/util_functions.sh
index b790b8220..4156f0c51 100644
--- a/scripts/util_functions.sh
+++ b/scripts/util_functions.sh
@@ -527,12 +527,13 @@ check_data() {
 }
 
 find_manager_apk() {
+  local DBAPK
   [ -z $APK ] && APK=/data/adb/magisk.apk
   [ -f $APK ] || APK=/data/magisk/magisk.apk
   [ -f $APK ] || APK=/data/app/com.topjohnwu.magisk*/*.apk
   if [ ! -f $APK ]; then
-    DBAPK=`magisk --sqlite "SELECT value FROM strings WHERE key='requester'" 2>/dev/null | cut -d= -f2`
-    [ -z $DBAPK ] && DBAPK=`strings /data/adb/magisk.db | grep 5requester | cut -c11-`
+    DBAPK=$(magisk --sqlite "SELECT value FROM strings WHERE key='requester'" 2>/dev/null | cut -d= -f2)
+    [ -z $DBAPK ] && DBAPK=$(strings /data/adb/magisk.db | grep -E '^.requester.' | cut -c11-)
     [ -z $DBAPK ] || APK=/data/user_de/*/$DBAPK/dyn/*.apk
     [ -f $APK ] || [ -z $DBAPK ] || APK=/data/app/$DBAPK*/*.apk
   fi