diff --git a/adminer/drivers/mysql.inc.php b/adminer/drivers/mysql.inc.php
index eb9eeeac..d7ed85db 100644
--- a/adminer/drivers/mysql.inc.php
+++ b/adminer/drivers/mysql.inc.php
@@ -749,7 +749,7 @@ if (!defined("DRIVER")) {
 	function routine($name, $type) {
 		global $connection, $enum_length, $inout, $types;
 		$aliases = array("bool", "boolean", "integer", "double precision", "real", "dec", "numeric", "fixed", "national char", "national varchar");
-		$type_pattern = "((" . implode("|", array_merge(array_keys($types), $aliases)) . ")(?:\\s*\\(((?:[^'\")]*|$enum_length)+)\\))?\\s*(zerofill\\s*)?(unsigned(?:\\s+zerofill)?)?)(?:\\s*(?:CHARSET|CHARACTER\\s+SET)\\s*['\"]?([^'\"\\s]+)['\"]?)?";
+		$type_pattern = "((" . implode("|", array_merge(array_keys($types), $aliases)) . ")\\b(?:\\s*\\(((?:[^'\")]*|$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("~\\(((?:$pattern\\s*,?)*)\\)\\s*" . ($type == "FUNCTION" ? "RETURNS\\s+$type_pattern\\s+" : "") . "(.*)~is", $create, $match);