diff --git a/app/Services/PluginManager.php b/app/Services/PluginManager.php
index e79c2aae..a732337f 100644
--- a/app/Services/PluginManager.php
+++ b/app/Services/PluginManager.php
@@ -75,6 +75,9 @@ class PluginManager
         }
 
         $this->enabled = collect(json_decode($this->option->get('plugins_enabled', '[]'), true))
+            ->reject(function ($item) {
+                return is_string($item);
+            })
             ->mapWithKeys(function ($item) {
                 return [$item['name'] => ['version' => $item['version']]];
             });