diff --git a/module/migrate.sh b/module/migrate.sh
index 69b9935..83d6197 100644
--- a/module/migrate.sh
+++ b/module/migrate.sh
@@ -15,8 +15,8 @@ esac;
 
 item() { echo "- $@"; }
 die() { [ "$INSTALL" ] || echo "$N$N! $@"; exit 1; }
-grep_get_json() { eval set -- "$(cat "$FILE" | tr -d '\r\n' | grep -m1 -o "$1"'".*' | cut -d: -f2-)"; echo "$1" | sed -e 's|"|\\\\\\"|g' -e 's|[,}]*$||'; }
-grep_check_json() { grep -q "$1" "$FILE" && [ "$(grep_get_json $1)" ]; }
+grep_get_json() { local target="$FILE"; [ -n "$2" ] && target="$2"; eval set -- "$(cat "$target" | tr -d '\r\n' | grep -m1 -o "$1"'".*' | cut -d: -f2-)"; echo "$1" | sed -e 's|"|\\\\\\"|g' -e 's|[,}]*$||'; }
+grep_check_json() { local target="$FILE"; [ -n "$2" ] && target="$2"; grep -q "$1" "$target" && [ "$(grep_get_json $1 "$target")" ]; }
 
 case "$1" in
   -f|--force|force) FORCE=1; shift;;
@@ -109,10 +109,19 @@ if [ -z "$DEVICE_INITIAL_SDK_INT" -o "$DEVICE_INITIAL_SDK_INT" = "null" ]; then
   DEVICE_INITIAL_SDK_INT=25;
 fi;
 
+ADVSETTINGS="spoofBuild spoofProps spoofProvider spoofSignature verboseLogs";
+spoofBuild=1; spoofProps=1; spoofProvider=1; spoofSignature=0; verboseLogs=0;
+
 if [ -f "$OUT" ]; then
   item "Renaming old file to $(basename "$OUT").bak ...";
   mv -f "$OUT" "$OUT.bak";
-  grep -qE "verboseLogs|VERBOSE_LOGS" "$OUT.bak" && ADVANCED=1;
+  if grep -qE "verboseLogs|VERBOSE_LOGS" "$OUT.bak"; then
+    ADVANCED=1;
+    grep_check_json VERBOSE_LOGS "$OUT.bak" && verboseLogs="$(grep_get_json VERBOSE_LOGS "$OUT.bak")";
+    for SETTING in $ADVSETTINGS; do
+      eval grep_check_json $SETTING \"$OUT.bak\" \&\& $SETTING=\"$(grep_get_json $SETTING "$OUT.bak")\";
+    done;
+  fi;
 fi;
 
 [ "$INSTALL" ] || item "Writing fields and properties to updated custom.pif.json ...";
@@ -129,11 +138,9 @@ echo '    "*.security_patch": "'$SECURITY_PATCH'",';
 echo '    "*api_level": "'$DEVICE_INITIAL_SDK_INT'",';
 if [ "$ADVANCED" ]; then
   echo "$N  // Advanced Settings";
-  echo '    "spoofBuild": "1",';
-  echo '    "spoofProps": "1",';
-  echo '    "spoofProvider": "1",';
-  echo '    "spoofSignature": "0",';
-  echo '    "verboseLogs": "0",';
+  for SETTING in $ADVSETTINGS; do
+    eval echo '\ \ \ \ \"$SETTING\": \"'\$$SETTING'\",';
+  done;
 fi) | sed '$s/,/\n}/' > "$OUT";
 
 [ "$INSTALL" ] || cat "$OUT";