diff --git a/src/__tests__/unit/processInstall.test.ts b/src/__tests__/unit/processInstall.test.ts
new file mode 100644
index 00000000..60a5b24f
--- /dev/null
+++ b/src/__tests__/unit/processInstall.test.ts
@@ -0,0 +1,36 @@
+import { beforeEach, describe, expect, it, vi } from "vitest";
+
+describe("processInstall queue forwarding", () => {
+  beforeEach(() => {
+    vi.resetModules();
+  });
+
+  it("forwards update-center queue-install events back to the main install queue", async () => {
+    const handlers = new Map<string, (...args: unknown[]) => void>();
+    const send = vi.fn();
+    const on = vi.fn(
+      (channel: string, handler: (...args: unknown[]) => void) => {
+        handlers.set(channel, handler);
+      },
+    );
+
+    Object.assign(window.ipcRenderer, {
+      on,
+      send,
+      invoke: vi.fn(),
+    });
+
+    await import("@/modules/processInstall");
+
+    const payload = JSON.stringify({
+      id: 7,
+      pkgname: "spark-weather",
+      origin: "spark",
+      upgradeOnly: true,
+    });
+
+    handlers.get("queue-install")?.({}, payload);
+
+    expect(send).toHaveBeenCalledWith("queue-install", payload);
+  });
+});
diff --git a/src/modules/processInstall.ts b/src/modules/processInstall.ts
index d67a43d2..c1d22aec 100644
--- a/src/modules/processInstall.ts
+++ b/src/modules/processInstall.ts
@@ -235,3 +235,9 @@ window.ipcRenderer.on("install-complete", (_event, log: DownloadResult) => {
     }
   }
 });
+
+window.ipcRenderer.on("queue-install", (_event, payload: unknown) => {
+  const serializedPayload =
+    typeof payload === "string" ? payload : JSON.stringify(payload);
+  window.ipcRenderer.send("queue-install", serializedPayload);
+});