diff --git a/src/server/routes/admin.ts b/src/server/routes/admin.ts
index cb0be27..4babe89 100644
--- a/src/server/routes/admin.ts
+++ b/src/server/routes/admin.ts
@@ -381,7 +381,16 @@ router.get("/queues", dashboardCache, async (req, res) => {
     ...QUEUE_STATES.map(async (state) => {
       const jobs = await targetQueue.getJobs([state], 0, 199);
       return jobs.map((j) => {
-        const json: Record<string, unknown> = { ...j.asJSON(), _state: state };
+        // asJSON() serializes these fields to strings; the dashboard needs
+        // the objects (payload repoId, stack lines, failure reason).
+        const json: Record<string, unknown> = {
+          ...j.asJSON(),
+          data: j.data,
+          failedReason: j.failedReason,
+          stacktrace: j.stacktrace,
+          returnvalue: j.returnvalue,
+          _state: state,
+        };
         if (state === "delayed" && j.delay > 0) {
           json.delayUntil = j.timestamp + j.delay;
         }
diff --git a/test/admin-queue-jobs.test.js b/test/admin-queue-jobs.test.js
new file mode 100644
index 0000000..6df891e
--- /dev/null
+++ b/test/admin-queue-jobs.test.js
@@ -0,0 +1,32 @@
+const { expect } = require("chai");
+
+describe("admin queue jobs", function () {
+  it("returns job payloads, failure reasons and stacks as values, not JSON strings", async function () {
+    const queues = require("../src/queue");
+    const metrics = require("../src/queue/queueMetrics");
+    const router = require("../src/server/routes/admin").default;
+    const handler = router.stack.find(layer => layer.route?.path === "/queues").route.stack.at(-1).handle;
+    const originals = [queues.downloadQueue, queues.removeQueue, queues.cacheQueue, metrics.queryMetrics];
+    const failed = {
+      data: { repoId: "paper-7F2A" }, failedReason: "branch_not_found", stacktrace: ["Error: branch_not_found\n    at fetch"], returnvalue: null,
+      // BullMQ's asJSON() stringifies these four fields.
+      asJSON() { return { id: "paper-7F2A", name: "paper-7F2A", data: JSON.stringify(this.data), failedReason: JSON.stringify(this.failedReason), stacktrace: JSON.stringify(this.stacktrace), returnvalue: JSON.stringify(this.returnvalue) }; },
+    };
+    const queue = { getJobCounts: async () => ({}), getWorkers: async () => [], isPaused: async () => false,
+      getJobs: async ([state]) => state === "failed" ? [failed] : [] };
+    queues.downloadQueue = queue; queues.removeQueue = queue; queues.cacheQueue = queue;
+    metrics.queryMetrics = async () => [];
+    try {
+      let body;
+      // The remove queue keeps this snapshot apart from other tests' cache entries.
+      await handler({ query: { queue: "remove" } }, { json: data => { body = data; } });
+      const job = body.jobs.find(j => j.id === "paper-7F2A");
+      expect(job.data).to.deep.equal({ repoId: "paper-7F2A" });
+      expect(job.failedReason).to.equal("branch_not_found");
+      expect(job.stacktrace).to.deep.equal(["Error: branch_not_found\n    at fetch"]);
+      expect(job._state).to.equal("failed");
+    } finally {
+      [queues.downloadQueue, queues.removeQueue, queues.cacheQueue, metrics.queryMetrics] = originals;
+    }
+  });
+});