diff --git a/include/auth_mixed.class.php b/include/auth_mixed.class.php
index d6b861b0d..cff1d8635 100644
--- a/include/auth_mixed.class.php
+++ b/include/auth_mixed.class.php
@@ -144,7 +144,7 @@ class authentication extends auth
 		{
 			header('WWW-Authenticate: Basic realm="'.AUTH_NAME.'"');
 			header('HTTP/1.0 401 Unauthorized');
-			echo "Ihre Zugangsdaten sind ungueltig!";
+			echo "Invalid Credentials";
 			exit;
 		}
 		else