diff --git a/src/createdb.php b/src/createdb.php
index c5e8f40..2393dae 100644
--- a/src/createdb.php
+++ b/src/createdb.php
@@ -13,13 +13,13 @@
 # use fireholdb.sqlite with fireholdb.class.php
 */
 
-if(!isset($_SERVER['argv'][1]) || !is_dir($_SERVER['argv'][1])) die("php createdb.php fireholdir\n");
+if(!isset($_SERVER['argv'][1]) || !is_dir($_SERVER['argv'][1])) die("php createdb.php fireholdir [dbfile]\n");
 $update = true;
 $binaryip = true;
 
 $updatestamp = file_exists('updatestamp') ? file_get_contents('updatestamp') : 0;
 $lastmtime = 0;
-$db = new PDO('sqlite:'.__DIR__.'/fireholdb.sqlite');
+$db = new PDO('sqlite:'.($_SERVER['argv'][2] ?? __DIR__.'/fireholdb.sqlite'));
 if(!$db->query("SELECT name FROM sqlite_master WHERE type = 'table' AND name='fireholdb'")->fetch()) {
 	$queries = preg_split('~;\s*~i', file_get_contents(__DIR__.'/schema.sql'), -1, PREG_SPLIT_NO_EMPTY);
 	foreach($queries as $query) {