diff --git a/src/widgets/proxmoxbackupserver/widget.js b/src/widgets/proxmoxbackupserver/widget.js
index 719849185..46598fd11 100644
--- a/src/widgets/proxmoxbackupserver/widget.js
+++ b/src/widgets/proxmoxbackupserver/widget.js
@@ -10,6 +10,7 @@ const widget = {
     },
     "nodes/localhost/tasks": {
       endpoint: "nodes/localhost/tasks",
+      params: ["errors", "limit", "since"],
     },
     "nodes/localhost/status": {
       endpoint: "nodes/localhost/status",
diff --git a/src/widgets/proxmoxbackupserver/widget.test.js b/src/widgets/proxmoxbackupserver/widget.test.js
index 0d2fd5f1b..024cc0fd9 100644
--- a/src/widgets/proxmoxbackupserver/widget.test.js
+++ b/src/widgets/proxmoxbackupserver/widget.test.js
@@ -1,4 +1,4 @@
-import { describe, it } from "vitest";
+import { describe, expect, it } from "vitest";
 
 import { expectWidgetConfigShape } from "test-utils/widget-config";
 
@@ -8,4 +8,8 @@ describe("proxmoxbackupserver widget config", () => {
   it("exports a valid widget config", () => {
     expectWidgetConfigShape(widget);
   });
+
+  it("requires failed task query params for the tasks endpoint", () => {
+    expect(widget.mappings["nodes/localhost/tasks"].params).toEqual(["errors", "limit", "since"]);
+  });
 });