diff --git a/src/api/routes.ts b/src/api/routes.ts
index 3db0c2aa8b..f8334b3b84 100644
--- a/src/api/routes.ts
+++ b/src/api/routes.ts
@@ -621,6 +621,7 @@ const repositorySettingsSchema = z.object({
   aiReviewProvider: z.enum(["anthropic", "openai"]).nullable().optional(),
   aiReviewModel: z.string().trim().min(1).max(120).nullable().optional(),
   aiReviewAllAuthors: z.boolean().default(false),
+  closeOwnerAuthors: z.boolean().default(false),
   autoLabelEnabled: z.boolean().default(true),
   gittensorLabel: z.string().trim().min(1).max(50).default("gittensor"),
   blacklistLabel: z.string().trim().min(1).max(50).default("slop"),
@@ -675,6 +676,7 @@ const maintainerSettingsSchema = z
     blacklistLabel: z.string().trim().min(1).max(50),
     createMissingLabel: z.boolean(),
     includeMaintainerAuthors: z.boolean(),
+    closeOwnerAuthors: z.boolean(),
     requireLinkedIssue: z.boolean(),
     badgeEnabled: z.boolean(),
     agentPaused: z.boolean(),
@@ -713,6 +715,7 @@ const repositoryAiReviewSchema = z.object({
   provider: z.enum(["anthropic", "openai"]).nullable().optional(),
   model: z.string().trim().min(1).max(120).nullable().optional(),
   allAuthors: z.boolean().default(false),
+  closeOwnerAuthors: z.boolean().default(false),
 });
 
 const contributorIssueDraftGenerateSchema = z.object({
@@ -2250,6 +2253,7 @@ export function createApp() {
       aiReviewProvider: parsed.data.provider,
       aiReviewModel: parsed.data.model,
       aiReviewAllAuthors: parsed.data.allAuthors,
+      closeOwnerAuthors: parsed.data.closeOwnerAuthors,
     });
     // getRepositorySettings normalizes these to a concrete value or null (never undefined).
     return c.json({
@@ -3387,6 +3391,7 @@ export function createApp() {
         aiReviewProvider: parsed.data.aiReviewProvider,
         aiReviewModel: parsed.data.aiReviewModel,
         aiReviewAllAuthors: parsed.data.aiReviewAllAuthors,
+        closeOwnerAuthors: parsed.data.closeOwnerAuthors,
         autoLabelEnabled: parsed.data.autoLabelEnabled,
         gittensorLabel: parsed.data.gittensorLabel,
         blacklistLabel: parsed.data.blacklistLabel,
diff --git a/test/unit/routes-ai-byok.test.ts b/test/unit/routes-ai-byok.test.ts
index ca75d028ec..5fe0dcde82 100644
--- a/test/unit/routes-ai-byok.test.ts
+++ b/test/unit/routes-ai-byok.test.ts
@@ -35,19 +35,33 @@ describe("maintainer AI-review config route", () => {
     await upsertRepositorySettings(env, { repoFullName: REPO, gateCheckMode: "enabled", gittensorLabel: "custom-label", blacklistLabel: "abuse" });
     const res = await app.request(
       `/v1/repos/${REPO}/ai-review`,
-      { method: "PUT", headers: apiHeaders(env), body: JSON.stringify({ mode: "block", byok: true, provider: "anthropic", model: "claude-3-5-sonnet-latest", allAuthors: true }) },
+      { method: "PUT", headers: apiHeaders(env), body: JSON.stringify({ mode: "block", byok: true, provider: "anthropic", model: "claude-3-5-sonnet-latest", allAuthors: true, closeOwnerAuthors: true }) },
       env,
     );
     expect(res.status).toBe(200);
-    expect(await res.json()).toMatchObject({ aiReviewMode: "block", aiReviewByok: true, aiReviewProvider: "anthropic", aiReviewModel: "claude-3-5-sonnet-latest", aiReviewAllAuthors: true , closeOwnerAuthors: false});
+    expect(await res.json()).toMatchObject({ aiReviewMode: "block", aiReviewByok: true, aiReviewProvider: "anthropic", aiReviewModel: "claude-3-5-sonnet-latest", aiReviewAllAuthors: true, closeOwnerAuthors: true });
     const settings = await getRepositorySettings(env, REPO);
     expect(settings.aiReviewMode).toBe("block");
     expect(settings.aiReviewAllAuthors).toBe(true); // persisted + read back (DB column round-trip)
+    expect(settings.closeOwnerAuthors).toBe(true); // persisted + read back (DB column round-trip)
     expect(settings.gateCheckMode).toBe("enabled"); // preserved
     expect(settings.gittensorLabel).toBe("custom-label"); // preserved
     expect(settings.blacklistLabel).toBe("abuse"); // #1425 round-trips through the DB
   });
 
+  it("defaults closeOwnerAuthors off when the AI-review config omits it", async () => {
+    const app = createApp();
+    const env = createTestEnv({ TOKEN_ENCRYPTION_SECRET: SECRET });
+    const res = await app.request(
+      `/v1/repos/${REPO}/ai-review`,
+      { method: "PUT", headers: apiHeaders(env), body: JSON.stringify({ mode: "block", byok: true, provider: "anthropic", model: "claude-3-5-sonnet-latest", allAuthors: true }) },
+      env,
+    );
+    expect(res.status).toBe(200);
+    expect(await res.json()).toMatchObject({ closeOwnerAuthors: false });
+    expect((await getRepositorySettings(env, REPO)).closeOwnerAuthors).toBe(false);
+  });
+
   it("accepts a config without provider/model (stored as null)", async () => {
     const app = createApp();
     const env = createTestEnv({ TOKEN_ENCRYPTION_SECRET: SECRET });
@@ -62,6 +76,27 @@ describe("maintainer AI-review config route", () => {
     const res = await app.request(`/v1/repos/${REPO}/ai-review`, { method: "PUT", headers: apiHeaders(env), body: JSON.stringify({ mode: "loud" }) }, env);
     expect(res.status).toBe(400);
   });
+
+  it("lets maintainer settings set closeOwnerAuthors without resetting unrelated fields", async () => {
+    const app = createApp();
+    const env = createTestEnv({ TOKEN_ENCRYPTION_SECRET: SECRET });
+    await upsertRepositorySettings(env, { repoFullName: REPO, gateCheckMode: "enabled", gittensorLabel: "custom-label" });
+    const res = await app.request(`/v1/repos/${REPO}/settings`, { method: "PUT", headers: apiHeaders(env), body: JSON.stringify({ closeOwnerAuthors: true }) }, env);
+    expect(res.status).toBe(200);
+    expect(await res.json()).toMatchObject({ closeOwnerAuthors: true, gateCheckMode: "enabled", gittensorLabel: "custom-label" });
+    const settings = await getRepositorySettings(env, REPO);
+    expect(settings.closeOwnerAuthors).toBe(true);
+    expect(settings.gateCheckMode).toBe("enabled");
+  });
+
+  it("lets the internal full settings route persist closeOwnerAuthors", async () => {
+    const app = createApp();
+    const env = createTestEnv({ TOKEN_ENCRYPTION_SECRET: SECRET });
+    const res = await app.request(`/v1/internal/repos/${REPO}/settings`, { method: "POST", headers: { authorization: `Bearer ${env.INTERNAL_JOB_TOKEN}`, "content-type": "application/json" }, body: JSON.stringify({ closeOwnerAuthors: true }) }, env);
+    expect(res.status).toBe(200);
+    expect(await res.json()).toMatchObject({ closeOwnerAuthors: true });
+    expect((await getRepositorySettings(env, REPO)).closeOwnerAuthors).toBe(true);
+  });
 });
 
 describe("maintainer BYOK key route", () => {