diff --git a/adminer/drivers/mysql.inc.php b/adminer/drivers/mysql.inc.php
index d7427172..b99e8755 100644
--- a/adminer/drivers/mysql.inc.php
+++ b/adminer/drivers/mysql.inc.php
@@ -851,7 +851,7 @@ if (!defined("DRIVER")) {
 	* @return Min_Result
 	*/
 	function explain($connection, $query) {
-		return $connection->query("EXPLAIN " . ($connection->server_info ? "PARTITIONS " : "") . $query);
+		return $connection->query("EXPLAIN " . ($connection->server_info >= 5.1 ? "PARTITIONS " : "") . $query);
 	}
 	
 	/** Get approximate number of rows
diff --git a/changes.txt b/changes.txt
index ef0479d2..676d01d1 100644
--- a/changes.txt
+++ b/changes.txt
@@ -15,6 +15,7 @@ MySQL: Display bit type as binary number
 MySQL: Improve export of binary data types
 MySQL: Fix handling of POINT data type (bug #3582578)
 MySQL: Don't export binary and geometry columns twice in select
+MySQL: Fix EXPLAIN in MySQL < 5.1, bug since Adminer 3.6.4
 SQLite: Export views
 
 Adminer 3.6.4 (released 2013-04-26):