diff --git a/routes/web.php b/routes/web.php
index 53c54686..194aed72 100644
--- a/routes/web.php
+++ b/routes/web.php
@@ -262,7 +262,10 @@ Route::get('/customer/summary/monthly', function () {
             <th>CBM</th>
           </tr>';
         foreach ($packingLists as $packingList){
-            $packages = $packingList->packingLists->first()->packages;
+            if($packingList->packingLists->first()){
+                $packingList = $packingList->packingLists->first();
+            }
+            $packages = $packingList->packages;
             foreach ($packages as $package){
                 echo '<tr>
                         <td>-</td>