diff --git a/tests/Unit/Util/CryptoTest.php b/tests/Unit/Util/CryptoTest.php
index 55d24562a9..d04e0323c3 100644
--- a/tests/Unit/Util/CryptoTest.php
+++ b/tests/Unit/Util/CryptoTest.php
@@ -24,8 +24,8 @@ class CryptoTest extends TestCase
 			return 1;
 		});
 
-		self::assertSame(1, Crypto::randomDigits(1));
-		self::assertSame(11111111, Crypto::randomDigits(8));
+		self::assertSame('1', Crypto::randomDigits(1));
+		self::assertSame('11111111', Crypto::randomDigits(8));
 	}
 
 	public function testDiasporaPubRsaToMe()