diff --git a/phpBB/develop/create_schema_files.php b/phpBB/develop/create_schema_files.php
index 5923b0a388..1cc5494e53 100644
--- a/phpBB/develop/create_schema_files.php
+++ b/phpBB/develop/create_schema_files.php
@@ -64,7 +64,7 @@ $dbms_type_map = array(
 		'MTEXT'		=> 'BLOB SUB_TYPE TEXT',
 		'TIMESTAMP'	=> 'INTEGER',
 		'DECIMAL'	=> 'DOUBLE PRECISION',
-		'VCHAR_BIN'	=> 'VARCHAR(252) CHARACTER SET UNICODE_FSS',
+		'VCHAR_BIN'	=> 'VARCHAR(84) CHARACTER SET UNICODE_FSS',
 		'VCHAR_CI'	=> 'VARCHAR(252)',
 		'VARBINARY'	=> 'CHAR(255)',
 	),