diff --git a/src/Cloud/Workflow.php b/src/Cloud/Workflow.php
index ffe68ca9..d3b63b7a 100644
--- a/src/Cloud/Workflow.php
+++ b/src/Cloud/Workflow.php
@@ -186,12 +186,12 @@ private static function fromApiModel(Api\Client $client, Api\Model\WorkflowRead
                                     new ProbeList(...array_map(
                                         fn (Api\Model\Probe $probe, int $order) => new Probe($probe->getLabel(), $probe->getCode(), $order),
                                         $probes = $step->getProbes(),
-                                        range(0, \count($probes)),
+                                        range(0, is_countable($probes) ? \count($probes) : 0),
                                     )),
                                     $order
                                 ),
                                 $steps = $job->getPipeline()->getSteps(),
-                                range(0, \count($steps)),
+                                range(0, \count((array) $steps)),
                             )),
                             $order
                         );