diff --git a/Model/Config/Source/Interest.php b/Model/Config/Source/Interest.php
index 5ff99829..57cea285 100644
--- a/Model/Config/Source/Interest.php
+++ b/Model/Config/Source/Interest.php
@@ -51,13 +51,13 @@ public function __construct(
 
     public function toOptionArray()
     {
-        if (is_array($this->options)) {
+        if (is_array($this->options['categories'])&&count($this->options['categories'])) {
             $rc = [];
             foreach($this->options['categories'] as $interest) {
                 $rc[] = ['value'=> $interest['id'], 'label' => $interest['title']];
             }
         } else {
-            $rc[] = ['value' => 0, 'label' => __('---No Data---')];
+            $rc[] = ['value' => [], 'label' => __('---No Data---')];
         }
         return $rc;
     }