diff --git a/libraries/mysql_charsets.lib.php b/libraries/mysql_charsets.lib.php
index 64b580aec..812bfe22b 100644
--- a/libraries/mysql_charsets.lib.php
+++ b/libraries/mysql_charsets.lib.php
@@ -284,7 +284,7 @@ if (PMA_MYSQL_INT_VERSION >= 40100){
         }
         if (PMA_MYSQL_INT_VERSION >= 50006) {
             // Since MySQL 5.0.6, we don't have to parse SHOW CREATE DATABASE anymore.
-            $res = PMA_DBI_query('SELECT DEFAULT_COLLATION_NAME FROM information_schema.SCHEMATA WHERE SCHEMA_NAME = ' . $db . ' LIMIT 1;');
+            $res = PMA_DBI_query('SELECT DEFAULT_COLLATION_NAME FROM information_schema.SCHEMATA WHERE SCHEMA_NAME = \'' . PMA_sqlAddSlashes($db) . '\' LIMIT 1;');
             if ($res) {
                 list($db_collation) = PMA_DBI_fetch_row($res);
                 PMA_DBI_free_result($res);