diff --git a/app/Api/V1/Controllers/Models/Rule/TriggerController.php b/app/Api/V1/Controllers/Models/Rule/TriggerController.php
index 0f4d77afe2..cc969326dc 100644
--- a/app/Api/V1/Controllers/Models/Rule/TriggerController.php
+++ b/app/Api/V1/Controllers/Models/Rule/TriggerController.php
@@ -85,7 +85,7 @@ final class TriggerController extends Controller
             // add a range:
             $ruleEngine->addOperator(['type' => 'date_before', 'value' => $parameters['end']->format('Y-m-d')]);
         }
-        if (array_key_exists('accounts', $parameters) && '' !== $parameters['accounts']) {
+        if (array_key_exists('accounts', $parameters) && is_array($parameters['accounts']) && count($parameters['accounts']) > 0) {
             $ruleEngine->addOperator(['type' => 'account_id', 'value' => implode(',', $parameters['accounts'])]);
         }