diff --git a/Blacklight/Binaries.php b/Blacklight/Binaries.php
index 830a11226..668c50f55 100644
--- a/Blacklight/Binaries.php
+++ b/Blacklight/Binaries.php
@@ -786,7 +786,7 @@ class Binaries
 							INSERT INTO collections (subject, fromname, date, xref, groups_id,
 								totalfiles, collectionhash, collection_regexes_id, dateadded)
 							VALUES (%s, %s, FROM_UNIXTIME(%s), %s, %d, %d, '%s', %d, NOW())
-							ON DUPLICATE KEY UPDATE %s dateadded = NOW(), noise = '%s'", escapeString(substr(mb_convert_encoding($this->header['matches'][1], 'UTF-8'), 0, 255)), escapeString(mb_convert_encoding($this->header['From'], 'UTF-8')), $unixtime, escapeString(implode(' ', $tempHeaderXrefs)), $this->groupMySQL['id'], $fileCount[3], sha1($this->header['CollectionKey']), $collMatch['id'], $xref, sodium_bin2hex($random)));
+							ON DUPLICATE KEY UPDATE %s dateadded = NOW(), noise = '%s'", escapeString(substr(mb_convert_encoding($this->header['matches'][1], 'UTF-8', mb_list_encodings()), 0, 255)), escapeString(mb_convert_encoding($this->header['From'], 'UTF-8', mb_list_encodings())), $unixtime, escapeString(implode(' ', $tempHeaderXrefs)), $this->groupMySQL['id'], $fileCount[3], sha1($this->header['CollectionKey']), $collMatch['id'], $xref, sodium_bin2hex($random)));
                         $collectionID = $this->_pdo->lastInsertId();
                         DB::commit();
                     } catch (\Throwable $e) {
@@ -819,7 +819,7 @@ class Binaries
                     DB::insert(sprintf("
 						INSERT INTO binaries (binaryhash, name, collections_id, totalparts, currentparts, filenumber, partsize)
 						VALUES (UNHEX('%s'), %s, %d, %d, 1, %d, %d)
-						ON DUPLICATE KEY UPDATE currentparts = currentparts + 1, partsize = partsize + %d", $hash, escapeString(mb_convert_encoding($this->header['matches'][1], 'UTF-8')), $collectionID, $this->header['matches'][3], $fileCount[1], $this->header['Bytes'], $this->header['Bytes']));
+						ON DUPLICATE KEY UPDATE currentparts = currentparts + 1, partsize = partsize + %d", $hash, escapeString(mb_convert_encoding($this->header['matches'][1], 'UTF-8', mb_list_encodings())), $collectionID, $this->header['matches'][3], $fileCount[1], $this->header['Bytes'], $this->header['Bytes']));
                     $binaryID = $this->_pdo->lastInsertId();
                     DB::commit();
                 } catch (\Throwable $e) {
diff --git a/Blacklight/CollectionsCleaning.php b/Blacklight/CollectionsCleaning.php
index e1fc1a419..d2ba8786d 100755
--- a/Blacklight/CollectionsCleaning.php
+++ b/Blacklight/CollectionsCleaning.php
@@ -124,7 +124,7 @@ class CollectionsCleaning
             // Multi spaces.
             return [
                 'id' => self::REGEX_GENERIC_MATCH,
-                'name' => mb_convert_encoding(trim(preg_replace('/\s\s+/', ' ', $cleanSubject)), 'UTF-8'),
+                'name' => mb_convert_encoding(trim(preg_replace('/\s\s+/', ' ', $cleanSubject)), 'UTF-8', mb_list_encodings()),
             ];
         } // Music groups.
 
@@ -150,7 +150,7 @@ class CollectionsCleaning
             '/AutoRarPar\d{1,5}|\(\d+\)( |  )yEnc|\d+(Amateur|Classic)| \d{4,}[a-z]{4,} |.vol\d+\+\d+|.part\d+/i',
         ], ' ', $this->subject);
         // Multi spaces.
-        $cleanSubject = mb_convert_encoding(trim(preg_replace('/\s\s+/i', ' ', $cleanSubject)), 'UTF-8');
+        $cleanSubject = mb_convert_encoding(trim(preg_replace('/\s\s+/i', ' ', $cleanSubject)), 'UTF-8', mb_list_encodings());
         // If the subject is too similar to another because it is so short, try to extract info from the subject.
         if (\strlen($cleanSubject) <= 10 || preg_match('/^[\-a-z0-9$ ]{1,7}yEnc$/i', $cleanSubject)) {
             $x = '';
diff --git a/Blacklight/NZBImport.php b/Blacklight/NZBImport.php
index f1b5d2977..dae6353bd 100755
--- a/Blacklight/NZBImport.php
+++ b/Blacklight/NZBImport.php
@@ -321,7 +321,7 @@ class NZBImport
                 }
             } else {
                 if ($isBlackListed) {
-                    $errorMessage = 'Subject is blacklisted: '.mb_convert_encoding(trim($firstName), 'UTF-8');
+                    $errorMessage = 'Subject is blacklisted: '.mb_convert_encoding(trim($firstName), 'UTF-8', mb_list_encodings());
                 } else {
                     $errorMessage = 'No group found for '.$firstName.' (one of '.implode(', ', $groupArr).' are missing';
                 }
@@ -371,7 +371,7 @@ class NZBImport
         // Remove part count from subject.
         $partLess = preg_replace('/(\(\d+\/\d+\))*$/', 'yEnc', $nzbDetails['subject']);
         // Remove added yEnc from above and anything after.
-        $subject = mb_convert_encoding(trim(preg_replace('/yEnc.*$/i', 'yEnc', $partLess)), 'UTF-8');
+        $subject = mb_convert_encoding(trim(preg_replace('/yEnc.*$/i', 'yEnc', $partLess)), 'UTF-8', mb_list_encodings());
 
         $renamed = 0;
         if ($nzbDetails['useFName']) {
diff --git a/Blacklight/ReleaseCleaning.php b/Blacklight/ReleaseCleaning.php
index be13da37c..623e8277b 100755
--- a/Blacklight/ReleaseCleaning.php
+++ b/Blacklight/ReleaseCleaning.php
@@ -444,7 +444,7 @@ class ReleaseCleaning
         //Replace multiple spaces with 1 space
         $cleanerName = preg_replace('/\s\s+/i', ' ', $cleanerName);
         //Remove invalid characters.
-        $cleanerName = trim(mb_convert_encoding(preg_replace('/[^(\x20-\x7F)]*/', '', $cleanerName), 'UTF-8'));
+        $cleanerName = trim(mb_convert_encoding(preg_replace('/[^(\x20-\x7F)]*/', '', $cleanerName), 'UTF-8', mb_list_encodings()));
 
         return $cleanerName;
     }
diff --git a/Blacklight/processing/ProcessReleases.php b/Blacklight/processing/ProcessReleases.php
index ba90faf09..8e4fb9f6f 100755
--- a/Blacklight/processing/ProcessReleases.php
+++ b/Blacklight/processing/ProcessReleases.php
@@ -424,9 +424,9 @@ class ProcessReleases
      }
 
      foreach ($collections as $collection) {
-         $cleanRelName = mb_convert_encoding(str_replace(['#', '@', '$', '%', '^', '§', '¨', '©', 'Ö'], '', $collection->subject), 'UTF-8');
+         $cleanRelName = mb_convert_encoding(str_replace(['#', '@', '$', '%', '^', '§', '¨', '©', 'Ö'], '', $collection->subject), 'UTF-8', mb_list_encodings());
          $fromName = mb_convert_encoding(
-             trim($collection->fromname, "'"), 'UTF-8'
+             trim($collection->fromname, "'"), 'UTF-8', mb_list_encodings()
          );
 
          // Look for duplicates, duplicates match on releases.name, releases.fromname and releases.size
@@ -467,7 +467,7 @@ class ProcessReleases
              $releaseID = Release::insertRelease(
                  [
                      'name' => $cleanRelName,
-                     'searchname' => ! empty($cleanedName) ? mb_convert_encoding($cleanedName, 'UTF-8') : $cleanRelName,
+                     'searchname' => ! empty($cleanedName) ? mb_convert_encoding($cleanedName, 'UTF-8', mb_list_encodings()) : $cleanRelName,
                      'totalpart' => $collection->totalfiles,
                      'groups_id' => $collection->groups_id,
                      'guid' => createGUID(),