diff --git a/phpBB/develop/create_schema_files.php b/phpBB/develop/create_schema_files.php
index 7a9bda32a0..0193e57f23 100644
--- a/phpBB/develop/create_schema_files.php
+++ b/phpBB/develop/create_schema_files.php
@@ -237,7 +237,7 @@ $supported_dbms = array('firebird', 'mssql', 'mysql_40', 'mysql_41', 'oracle', '
 
 foreach ($supported_dbms as $dbms)
 {
-	$fp = fopen($schema_path . $dbms . '_schema.sql', 'wt');
+	$fp = fopen($schema_path . $dbms . '_schema.sql', 'wb');
 
 	$line = '';