diff --git a/extensions/slack/src/monitor/context.ts b/extensions/slack/src/monitor/context.ts
index 035c69eceff..db9268ba54e 100644
--- a/extensions/slack/src/monitor/context.ts
+++ b/extensions/slack/src/monitor/context.ts
@@ -274,28 +274,13 @@ export function createSlackMonitorContext(params: {
     if (!p.threadTs) {
       return;
     }
-    const payload = {
-      token: params.botToken,
-      channel_id: p.channelId,
-      thread_ts: p.threadTs,
-      status: p.status,
-    };
-    const client = params.app.client as unknown as {
-      assistant?: {
-        threads?: {
-          setStatus?: (args: typeof payload) => Promise<unknown>;
-        };
-      };
-      apiCall?: (method: string, args: typeof payload) => Promise<unknown>;
-    };
     try {
-      if (client.assistant?.threads?.setStatus) {
-        await client.assistant.threads.setStatus(payload);
-        return;
-      }
-      if (typeof client.apiCall === "function") {
-        await client.apiCall("assistant.threads.setStatus", payload);
-      }
+      await params.app.client.assistant.threads.setStatus({
+        token: params.botToken,
+        channel_id: p.channelId,
+        thread_ts: p.threadTs,
+        status: p.status,
+      });
     } catch (err) {
       logVerbose(`slack status update failed for channel ${p.channelId}: ${String(err)}`);
     }