diff --git a/src/Worker.php b/src/Worker.php
index 9028a5730..be0d3e3d4 100644
--- a/src/Worker.php
+++ b/src/Worker.php
@@ -1142,6 +1142,9 @@ protected static function formatProcessStatusData(): string
         } catch (Throwable) {
             // do nothing
         }
+        if (!is_array($workerInfo)) {
+            $workerInfo = [];
+        }
         ksort($workerInfo, SORT_NUMERIC);
         unset($info[0]);
         $dataWaitingSort = [];