diff --git a/Block/Adminhtml/Widget/Grid/PaypalReferenceColumn.php b/Block/Adminhtml/Widget/Grid/PaypalReferenceColumn.php
index 61fa1af45e0..db2e5587e6a 100644
--- a/Block/Adminhtml/Widget/Grid/PaypalReferenceColumn.php
+++ b/Block/Adminhtml/Widget/Grid/PaypalReferenceColumn.php
@@ -65,6 +65,7 @@ public function getDetails(array $information): array
             return [];
         }
 
-        return json_decode($details, true);
+        $json = json_decode($details, true);
+        return is_array($json) ? $json : [];
     }
 }