diff --git a/src/features/chat/presentation/thread-stream/layout.ts b/src/features/chat/presentation/thread-stream/layout.ts
index 75f73447..ee4ff546 100644
--- a/src/features/chat/presentation/thread-stream/layout.ts
+++ b/src/features/chat/presentation/thread-stream/layout.ts
@@ -9,7 +9,7 @@ import {
 } from "../../domain/thread-stream/semantics/predicates";
 import type { ThreadStreamSemanticClassification } from "../../domain/thread-stream/semantics/types";
 
-const STEERING_ACTIVITY_LABEL = "steer";
+const STEERING_ACTIVITY_LABEL = "steering";
 
 export interface ThreadStreamItemAnnotations {
   editedFiles?: string[];
diff --git a/tests/features/chat/app-server/mappers/thread-stream.test.ts b/tests/features/chat/app-server/mappers/thread-stream.test.ts
index 29f6e1a9..83d8ea77 100644
--- a/tests/features/chat/app-server/mappers/thread-stream.test.ts
+++ b/tests/features/chat/app-server/mappers/thread-stream.test.ts
@@ -981,7 +981,7 @@ describe("display block grouping keeps thread stream details subordinate to conv
         {
           type: "steering",
           id: "steer-activity-u2",
-          label: "steer",
+          label: "steering",
           text: "also check tests",
           sourceItemId: "u2",
         },
diff --git a/tests/features/chat/ui/thread-stream/stream-items.test.tsx b/tests/features/chat/ui/thread-stream/stream-items.test.tsx
index fa5e67b6..a2e46939 100644
--- a/tests/features/chat/ui/thread-stream/stream-items.test.tsx
+++ b/tests/features/chat/ui/thread-stream/stream-items.test.tsx
@@ -73,7 +73,7 @@ describe("thread stream item renderer decisions", () => {
 
     const element = renderThreadStreamBlockElement(expectPresent(block));
 
-    expect(element.querySelector(".codex-panel__detail-header")?.textContent).toBe("steer");
+    expect(element.querySelector(".codex-panel__detail-header")?.textContent).toBe("steering");
     expect(element.querySelector(".codex-panel__stream-summary")?.textContent).toBe("also check tests and keep the summary compact");
   });