diff --git a/src/Backends/Swoole.php b/src/Backends/Swoole.php
index 34eb894b8..6eb268c8d 100644
--- a/src/Backends/Swoole.php
+++ b/src/Backends/Swoole.php
@@ -98,7 +98,10 @@ function (Process $worker) use ($maxMessageLength, $queueItem) {
                 true,
             );
 
-            $workerProcess->setAffinity([$currentCpu]);
+            if (method_exists($workerProcess, 'setAffinity')) {
+                $workerProcess->setAffinity([$currentCpu]);
+            }
+
             $workerProcess->setBlocking(false);
             $workerProcess->start();