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-rw-r--r--apps/twofactor_backupcodes/lib/Service/BackupCodeStorage.php2
1 files changed, 1 insertions, 1 deletions
diff --git a/apps/twofactor_backupcodes/lib/Service/BackupCodeStorage.php b/apps/twofactor_backupcodes/lib/Service/BackupCodeStorage.php
index 88117c37ec0..7842dd610be 100644
--- a/apps/twofactor_backupcodes/lib/Service/BackupCodeStorage.php
+++ b/apps/twofactor_backupcodes/lib/Service/BackupCodeStorage.php
@@ -72,7 +72,7 @@ class BackupCodeStorage {
$uid = $user->getUID();
foreach (range(1, min([$number, 20])) as $i) {
- $code = $this->random->generate(self::$CODE_LENGTH, ISecureRandom::CHAR_UPPER . ISecureRandom::CHAR_DIGITS);
+ $code = $this->random->generate(self::$CODE_LENGTH, ISecureRandom::CHAR_HUMAN_READABLE);
$dbCode = new BackupCode();
$dbCode->setUserId($uid);