diff --git a/libraries/plugin_interface.lib.php b/libraries/plugin_interface.lib.php
index 0395fe779..144dc6fbb 100644
--- a/libraries/plugin_interface.lib.php
+++ b/libraries/plugin_interface.lib.php
@@ -272,7 +272,7 @@ function PMA_pluginGetOneOption($section, $plugin_name, $id, &$opt)
         $ret .= 'UNKNOWN OPTION ' . $opt['type'] . ' IN IMPORT PLUGIN ' . $plugin_name . '!';
     }
     if (isset($opt['doc'])) {
-        if (count($opt['doc'] == 3)) {
+        if (count($opt['doc']) == 3) {
             $ret .= PMA_showMySQLDocu($opt['doc'][0], $opt['doc'][1], false, $opt['doc'][2]);
         } else {
             $ret .= PMA_showMySQLDocu($opt['doc'][0], $opt['doc'][1]);