diff --git a/src/Exporter/CurrentWorkload.php b/src/Exporter/CurrentWorkload.php
index d386f76..ff9d5ef 100644
--- a/src/Exporter/CurrentWorkload.php
+++ b/src/Exporter/CurrentWorkload.php
@@ -29,7 +29,7 @@ public function collect(): void
         $workloads = collect($workloadRepository->get())->sortBy('name')->values();
 
         $workloads->each(function ($workload) {
-            if ($workload['split_queues']) {
+            if (isset($workload['split_queues']) && $workload['split_queues']) {
                 $workload['split_queues']->each(function ($queue) {
                     $this->gauge->set($queue['length'], [$queue['name']]);
                 });