diff --git a/src/Illuminate/Queue/SerializesAndRestoresModelIdentifiers.php b/src/Illuminate/Queue/SerializesAndRestoresModelIdentifiers.php
index <HASH>..<HASH> 100644
--- a/src/Illuminate/Queue/SerializesAndRestoresModelIdentifiers.php
+++ b/src/Illuminate/Queue/SerializesAndRestoresModelIdentifiers.php
@@ -82,7 +82,7 @@ trait SerializesAndRestoresModelIdentifiers
     {
         return $this->getQueryForModelRestoration(
             (new $value->class)->setConnection($value->connection), $value->id
-        )->useWritePdo()->firstOrFail()->load($value->relations);
+        )->useWritePdo()->firstOrFail()->load($value->relations ?? []);
     }
 
     /**
fixes an issue where delayed jobs in L<I> fail to run in L<I> due to the new relations traits introduced in <I>eeef (#<I>)