diff --git a/packages/opencode/src/sync/index.ts b/packages/opencode/src/sync/index.ts
index bfff84031f..185e88a893 100644
--- a/packages/opencode/src/sync/index.ts
+++ b/packages/opencode/src/sync/index.ts
@@ -39,6 +39,12 @@ export namespace SyncEvent {
 
   const Bus = new EventEmitter<{ event: [{ def: Definition; event: Event }] }>()
 
+  export function reset() {
+    frozen = false
+    projectors = undefined
+    convertEvent = (_, data) => data
+  }
+
   export function init(input: { projectors: Array<[Definition, ProjectorFunc]>; convertEvent?: typeof convertEvent }) {
     projectors = new Map(input.projectors)
 
diff --git a/packages/opencode/test/sync/index.test.ts b/packages/opencode/test/sync/index.test.ts
index ed617927d8..7336352299 100644
--- a/packages/opencode/test/sync/index.test.ts
+++ b/packages/opencode/test/sync/index.test.ts
@@ -1,4 +1,4 @@
-import { describe, test, expect, beforeEach } from "bun:test"
+import { describe, test, expect, beforeEach, afterEach } from "bun:test"
 import { tmpdir } from "../fixture/fixture"
 import z from "zod"
 import { Bus } from "../../src/bus"
@@ -7,11 +7,21 @@ import { SyncEvent } from "../../src/sync"
 import { Database } from "../../src/storage/db"
 import { EventTable } from "../../src/sync/event.sql"
 import { Identifier } from "../../src/id/id"
+import { Flag } from "../../src/flag/flag"
 
 beforeEach(() => {
   Database.Client.reset()
 })
 
+const original = Flag.OPENCODE_EXPERIMENTAL_WORKSPACES
+// @ts-expect-error don't do this normally, but it works
+Flag.OPENCODE_EXPERIMENTAL_WORKSPACES = true
+
+afterEach(() => {
+  // @ts-expect-error don't do this normally, but it works
+  Flag.OPENCODE_EXPERIMENTAL_WORKSPACES = original
+})
+
 function withInstance(fn: () => void | Promise<void>) {
   return async () => {
     await using tmp = await tmpdir()
@@ -26,6 +36,8 @@ function withInstance(fn: () => void | Promise<void>) {
 }
 
 describe("SyncEvent", () => {
+  SyncEvent.reset()
+
   const Created = SyncEvent.define({
     type: "item.created",
     version: 1,