diff --git a/tests/Data/AlphaNumTest.php b/tests/Data/AlphaNumTest.php
index eeb2c2631..74df269b0 100644
--- a/tests/Data/AlphaNumTest.php
+++ b/tests/Data/AlphaNumTest.php
@@ -35,7 +35,7 @@ final class AlphaNumTest extends DataInterfaceTestAbstract{
 			['ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890 $%*+-./:', true],
 			['abc', false],
 			['ÄÖÜ', false],
-			[',', true],
+			[',', false],
 			['-', true],
 			['+', true],
 			['.', true],
@@ -43,6 +43,7 @@ final class AlphaNumTest extends DataInterfaceTestAbstract{
 			[':', true],
 			['/', true],
 			['\\', false],
+			['0,1', false]
 		];
 	}