diff --git a/packages/alchemy/src/Cloudflare/Workflows/WorkflowBridge.ts b/packages/alchemy/src/Cloudflare/Workflows/WorkflowBridge.ts
index 2212955e94..9dbda30406 100644
--- a/packages/alchemy/src/Cloudflare/Workflows/WorkflowBridge.ts
+++ b/packages/alchemy/src/Cloudflare/Workflows/WorkflowBridge.ts
@@ -192,6 +192,8 @@ export const wrapWorkflowStep = (step: any): WorkflowStep["Service"] => ({
 const toWorkflowStepConfig = (
   options: WorkflowTaskOptions<any, any, any>,
 ): WorkflowStepConfig | undefined => {
-  if (!options.retries && !options.timeout) return undefined;
-  return { retries: options.retries, timeout: options.timeout };
+  const config: WorkflowStepConfig = {};
+  if (options.retries) config.retries = options.retries;
+  if (options.timeout !== undefined) config.timeout = options.timeout;
+  return Object.keys(config).length > 0 ? config : undefined;
 };
diff --git a/packages/alchemy/test/Cloudflare/Workers/WorkflowBridge.test.ts b/packages/alchemy/test/Cloudflare/Workers/WorkflowBridge.test.ts
index 594fe7a033..a293070d24 100644
--- a/packages/alchemy/test/Cloudflare/Workers/WorkflowBridge.test.ts
+++ b/packages/alchemy/test/Cloudflare/Workers/WorkflowBridge.test.ts
@@ -33,4 +33,38 @@ describe("WorkflowBridge", () => {
       }
     }),
   );
+
+  it.effect(
+    "omits undefined config keys so retries-only steps keep the engine timeout default",
+    () =>
+      Effect.gen(function* () {
+        const doCalls: Array<unknown> = [];
+        const step = wrapWorkflowStep({
+          do: (...args: unknown[]) => {
+            doCalls.push(args);
+            return Promise.resolve("done");
+          },
+          sleep: () => Promise.resolve(),
+          sleepUntil: () => Promise.resolve(),
+          waitForEvent: () => Promise.resolve(),
+        });
+
+        yield* step.do({
+          name: "retries-only",
+          effect: Effect.succeed("done"),
+          retries: { limit: 3, delay: "10 seconds", backoff: "exponential" },
+        });
+
+        expect(doCalls).toHaveLength(1);
+        const config = (doCalls[0] as Array<unknown>)[1];
+        expect(config).toEqual({
+          retries: {
+            limit: 3,
+            delay: "10 seconds",
+            backoff: "exponential",
+          },
+        });
+        expect("timeout" in (config as object)).toBe(false);
+      }),
+  );
 });