diff --git a/src/Resources/MandateCollection.php b/src/Resources/MandateCollection.php
index 235fe3ff..23d39d16 100644
--- a/src/Resources/MandateCollection.php
+++ b/src/Resources/MandateCollection.php
@@ -4,11 +4,6 @@
 
 class MandateCollection extends CursorCollection
 {
-    public function getLazyCollectionName(): string
-    {
-        return LazyMandateCollection::class;
-    }
-
     /**
      * @return string
      */
@@ -31,6 +26,15 @@ protected function createResourceObject()
      */
     public function whereStatus($status)
     {
-        return $this->filter(fn (Mandate $mandate) => $mandate->status === $status);
+        $collection = new self($this->client, 0, $this->_links);
+
+        foreach ($this as $item) {
+            if ($item->status === $status) {
+                $collection[] = $item;
+                $collection->count++;
+            }
+        }
+
+        return $collection;
     }
 }