diff --git a/extensions/googlechat/src/channel.test.ts b/extensions/googlechat/src/channel.test.ts
index 54d0cb96cd0..eb6f25d5d68 100644
--- a/extensions/googlechat/src/channel.test.ts
+++ b/extensions/googlechat/src/channel.test.ts
@@ -321,6 +321,31 @@ describe("googlechatPlugin outbound sendMedia", () => {
   });
 });
 
+describe("googlechatPlugin threading", () => {
+  it("honors per-account replyToMode overrides", () => {
+    const resolveReplyToMode = googlechatPlugin.threading?.resolveReplyToMode;
+    if (!resolveReplyToMode) {
+      throw new Error("Expected googlechatPlugin.threading.resolveReplyToMode to be defined");
+    }
+
+    const cfg = {
+      channels: {
+        googlechat: {
+          replyToMode: "all",
+          accounts: {
+            work: {
+              replyToMode: "first",
+            },
+          },
+        },
+      },
+    } as OpenClawConfig;
+
+    expect(resolveReplyToMode({ cfg, accountId: "work" })).toBe("first");
+    expect(resolveReplyToMode({ cfg, accountId: "default" })).toBe("all");
+  });
+});
+
 const resolveTarget = googlechatPlugin.outbound?.resolveTarget;
 
 describe("googlechatPlugin outbound resolveTarget", () => {
diff --git a/extensions/googlechat/src/channel.ts b/extensions/googlechat/src/channel.ts
index 0c42f8abeb0..be656c1ce7c 100644
--- a/extensions/googlechat/src/channel.ts
+++ b/extensions/googlechat/src/channel.ts
@@ -343,7 +343,11 @@ export const googlechatPlugin = createChatChannelPlugin({
     collectWarnings: collectGoogleChatSecurityWarnings,
   },
   threading: {
-    topLevelReplyToMode: "googlechat",
+    scopedAccountReplyToMode: {
+      resolveAccount: (cfg, accountId) => resolveGoogleChatAccount({ cfg, accountId }),
+      resolveReplyToMode: (account) => account.config.replyToMode,
+      fallback: "off",
+    },
   },
   outbound: {
     base: {