diff --git a/adminer/drivers/mysql.inc.php b/adminer/drivers/mysql.inc.php
index 681a4e13..6274c997 100644
--- a/adminer/drivers/mysql.inc.php
+++ b/adminer/drivers/mysql.inc.php
@@ -752,7 +752,7 @@ if (!defined("DRIVER")) {
 		$type_pattern = "((" . implode("|", array_merge(array_keys($types), $aliases)) . ")(?:\\s*\\(((?:[^'\")]*|$enum_length)+)\\))?\\s*(zerofill\\s*)?(unsigned(?:\\s+zerofill)?)?)(?:\\s*(?:CHARSET|CHARACTER\\s+SET)\\s*['\"]?([^'\"\\s]+)['\"]?)?";
 		$pattern = "\\s*(" . ($type == "FUNCTION" ? "" : $inout) . ")?\\s*(?:`((?:[^`]|``)*)`\\s*|\\b(\\S+)\\s+)$type_pattern";
 		$create = $connection->result("SHOW CREATE $type " . idf_escape($name), 2);
-		preg_match("~\\(((?:$pattern\\s*,?)*)\\)" . ($type == "FUNCTION" ? "\\s*RETURNS\\s+$type_pattern" : "") . "\\s*(.*)~is", $create, $match);
+		preg_match("~\\(((?:$pattern\\s*,?)*)\\)\\s*" . ($type == "FUNCTION" ? "RETURNS\\s+$type_pattern\\s+" : "") . "(.*)~is", $create, $match);
 		$fields = array();
 		preg_match_all("~$pattern\\s*,?~is", $match[1], $matches, PREG_SET_ORDER);
 		foreach ($matches as $param) {