diff --git a/tests/Services/TFA/BackupCodeGeneratorTest.php b/tests/Services/TFA/BackupCodeGeneratorTest.php
index e343fc45..7adfe0d8 100644
--- a/tests/Services/TFA/BackupCodeGeneratorTest.php
+++ b/tests/Services/TFA/BackupCodeGeneratorTest.php
@@ -77,7 +77,7 @@ class BackupCodeGeneratorTest extends TestCase
     public function testGenerateSingleCode(int $code_length): void
     {
         $generator = new BackupCodeGenerator($code_length, 10);
-        $this->assertRegExp("/^([a-f0-9]){{$code_length}}\$/", $generator->generateSingleCode());
+        $this->assertMatchesRegularExpression("/^([a-f0-9]){{$code_length}}\$/", $generator->generateSingleCode());
     }
 
     public function codeCountDataProvider(): array