diff --git a/packages/app/e2e/projects/workspace-new-session.spec.ts b/packages/app/e2e/projects/workspace-new-session.spec.ts
index 0858f26273..31ba1098df 100644
--- a/packages/app/e2e/projects/workspace-new-session.spec.ts
+++ b/packages/app/e2e/projects/workspace-new-session.spec.ts
@@ -2,7 +2,7 @@ import type { Page } from "@playwright/test"
 import { test, expect } from "../fixtures"
 import { openSidebar, resolveSlug, sessionIDFromUrl, setWorkspacesEnabled, waitDir, waitSlug } from "../actions"
 import { promptSelector, workspaceItemSelector, workspaceNewSessionSelector } from "../selectors"
-import { createSdk } from "../utils"
+import { createSdk, dirDecode, dirSlug, resolveDirectory } from "../utils"
 
 function item(space: { slug: string; raw: string }) {
   return `${workspaceItemSelector(space.slug)}, ${workspaceItemSelector(space.raw)}`
@@ -101,13 +101,13 @@ test("new sessions from sidebar workspace actions stay in selected workspace", a
     trackDirectory(second.directory)
     await waitWorkspaceReady(page, second)
 
-    const firstSession = await createSessionFromWorkspace(page, first.slug, `workspace one ${Date.now()}`)
+    const firstSession = await createSessionFromWorkspace(page, first, `workspace one ${Date.now()}`)
     trackSession(firstSession.sessionID, first.directory)
 
-    const secondSession = await createSessionFromWorkspace(page, second.slug, `workspace two ${Date.now()}`)
+    const secondSession = await createSessionFromWorkspace(page, second, `workspace two ${Date.now()}`)
     trackSession(secondSession.sessionID, second.directory)
 
-    const thirdSession = await createSessionFromWorkspace(page, first.slug, `workspace one again ${Date.now()}`)
+    const thirdSession = await createSessionFromWorkspace(page, first, `workspace one again ${Date.now()}`)
     trackSession(thirdSession.sessionID, first.directory)
 
     await expect.poll(() => sessionDirectory(first.directory, firstSession.sessionID)).toBe(first.directory)
diff --git a/packages/app/e2e/projects/workspaces.spec.ts b/packages/app/e2e/projects/workspaces.spec.ts
index 297cdb9fc9..22f09bc334 100644
--- a/packages/app/e2e/projects/workspaces.spec.ts
+++ b/packages/app/e2e/projects/workspaces.spec.ts
@@ -20,7 +20,7 @@ import {
   waitSlug,
 } from "../actions"
 import { dropdownMenuContentSelector, inlineInputSelector, workspaceItemSelector } from "../selectors"
-import { createSdk, dirSlug } from "../utils"
+import { createSdk, dirDecode, dirSlug } from "../utils"
 
 async function setupWorkspaceTest(page: Page, project: { slug: string }) {
   const rootSlug = project.slug
@@ -258,7 +258,7 @@ test("can delete a workspace", async ({ page, withProject }) => {
     await clickMenuItem(menu, /^Delete$/i, { force: true })
     await confirmDialog(page, /^Delete workspace$/i)
 
-    await expect.poll(() => base64Decode(slugFromUrl(page.url()))).toBe(project.directory)
+    await expect.poll(() => dirDecode(slugFromUrl(page.url()))).toBe(project.directory)
 
     await expect
       .poll(
diff --git a/packages/app/e2e/utils.ts b/packages/app/e2e/utils.ts
index f07a8d3f11..f2c3919f5c 100644
--- a/packages/app/e2e/utils.ts
+++ b/packages/app/e2e/utils.ts
@@ -1,5 +1,5 @@
 import { createOpencodeClient } from "@opencode-ai/sdk/v2/client"
-import { base64Encode, checksum } from "@opencode-ai/util/encode"
+import { base64Decode, base64Encode, checksum } from "@opencode-ai/util/encode"
 
 export const serverHost = process.env.PLAYWRIGHT_SERVER_HOST ?? "127.0.0.1"
 export const serverPort = process.env.PLAYWRIGHT_SERVER_PORT ?? "4096"
@@ -48,6 +48,10 @@ export function dirSlug(directory: string) {
   return base64Encode(directory)
 }
 
+export function dirDecode(slug: string) {
+  return base64Decode(slug)
+}
+
 export function dirPath(directory: string) {
   return `/${dirSlug(directory)}`
 }