diff --git a/backend/views/layouts/menu_main.php b/backend/views/layouts/menu_main.php
index 6e726ae..114217c 100755
--- a/backend/views/layouts/menu_main.php
+++ b/backend/views/layouts/menu_main.php
@@ -69,7 +69,7 @@
                 'url'    => [ '/imagemanager' ],
                 'icon'   => 'image',
                 'active' => function () {
-                    return \Yii::$app->controller->id = 'imagemanager';
+                    return \Yii::$app->controller->id === 'imagemanager';
                 },
             ],
         ]
--
libgit2 0.21.4