diff --git a/lib/private/Setup/AbstractDatabase.php b/lib/private/Setup/AbstractDatabase.php
index 0cbfecf..a821a2e 100644
--- a/lib/private/Setup/AbstractDatabase.php
+++ b/lib/private/Setup/AbstractDatabase.php
@@ -72,9 +72,6 @@ abstract class AbstractDatabase {
 		} elseif (empty($config['dbname'])) {
 			$errors[] = $this->trans->t("%s enter the database name.", [$this->dbprettyname]);
 		}
-		if(substr_count($config['dbname'], '.') >= 1) {
-			$errors[] = $this->trans->t("%s you may not use dots in the database name", array($this->dbprettyname));
-		}
 		return $errors;
 	}