diff --git a/apps/web/src/components/chat/ComposerPrimaryActions.tsx b/apps/web/src/components/chat/ComposerPrimaryActions.tsx
index 81bce817fe4a..78fe4706d13e 100644
--- a/apps/web/src/components/chat/ComposerPrimaryActions.tsx
+++ b/apps/web/src/components/chat/ComposerPrimaryActions.tsx
@@ -83,7 +83,7 @@ export const ComposerPrimaryActions = memo(function ComposerPrimaryActions({
   pendingAction,
   isRunning,
   canInterrupt,
-  followUpBehavior = "steer",
+  followUpBehavior = "queue",
   alternateShortcutLabel = null,
   showPlanFollowUpPrompt,
   promptHasText,
diff --git a/packages/client-runtime/src/state/composerDispatch.test.ts b/packages/client-runtime/src/state/composerDispatch.test.ts
index c2d7cfb12693..56d283856e88 100644
--- a/packages/client-runtime/src/state/composerDispatch.test.ts
+++ b/packages/client-runtime/src/state/composerDispatch.test.ts
@@ -10,9 +10,9 @@ describe("resolveComposerDispatchMode", () => {
     expect(resolveComposerDispatchMode({ running: false, alternateModifier: false })).toBe("auto");
   });
 
-  it("steers by default and reserves Mod+Enter for queueing while running", () => {
-    expect(resolveComposerDispatchMode({ running: true, alternateModifier: false })).toBe("steer");
-    expect(resolveComposerDispatchMode({ running: true, alternateModifier: true })).toBe("queue");
+  it("queues by default and reserves Mod+Enter for steering while running", () => {
+    expect(resolveComposerDispatchMode({ running: true, alternateModifier: false })).toBe("queue");
+    expect(resolveComposerDispatchMode({ running: true, alternateModifier: true })).toBe("steer");
   });
 
   it("queues as the alternate action when restarting is the default", () => {
@@ -67,6 +67,6 @@ describe("resolveComposerDispatchMode", () => {
   it("names the alternate action so the affordance can be labelled", () => {
     expect(alternateComposerDispatchAction("queue")).toBe("steer");
     expect(alternateComposerDispatchAction("steer")).toBe("queue");
-    expect(alternateComposerDispatchAction()).toBe("queue");
+    expect(alternateComposerDispatchAction()).toBe("steer");
   });
 });
diff --git a/packages/client-runtime/src/state/composerDispatch.ts b/packages/client-runtime/src/state/composerDispatch.ts
index 4e5f9b6ae119..b421e0f9e282 100644
--- a/packages/client-runtime/src/state/composerDispatch.ts
+++ b/packages/client-runtime/src/state/composerDispatch.ts
@@ -15,7 +15,7 @@ export function resolveComposerDispatchMode(input: {
   readonly activeTurnDefault?: ActiveTurnComposerAction;
 }): ComposerDispatchMode {
   if (!input.running) return "auto";
-  const defaultAction = input.activeTurnDefault ?? "steer";
+  const defaultAction = input.activeTurnDefault ?? "queue";
   if (input.alternateModifier) return defaultAction === "queue" ? "steer" : "queue";
   return defaultAction;
 }