diff --git a/packages/browser/src/node/serverOrchestrator.ts b/packages/browser/src/node/serverOrchestrator.ts
index e9018d9a48c6..e730fad0c555 100644
--- a/packages/browser/src/node/serverOrchestrator.ts
+++ b/packages/browser/src/node/serverOrchestrator.ts
@@ -45,7 +45,7 @@ export async function resolveOrchestrator(
     __VITEST_TYPE__: '"orchestrator"',
     __VITEST_SESSION_ID__: JSON.stringify(sessionId),
     __VITEST_TESTER_ID__: '"none"',
-    __VITEST_OTEL_CARRIER__: url.searchParams.get('otelCarrier') ?? 'null',
+    __VITEST_OTEL_CARRIER__: JSON.stringify(session?.otelCarrier ?? null),
     __VITEST_PROVIDED_CONTEXT__: JSON.stringify(stringify(browserProject.project.getProvidedContext())),
     __VITEST_API_TOKEN__: JSON.stringify(globalServer.vitest.config.api.token),
   })
diff --git a/packages/vitest/src/node/browser/sessions.ts b/packages/vitest/src/node/browser/sessions.ts
index 4b1f72e1a02b..35cffa71e832 100644
--- a/packages/vitest/src/node/browser/sessions.ts
+++ b/packages/vitest/src/node/browser/sessions.ts
@@ -1,3 +1,4 @@
+import type { OTELCarrier } from '../../utils/traces'
 import type { TestProject } from '../project'
 import type { BrowserServerStateSession } from '../types/browser'
 import { createDefer } from '@vitest/utils/helpers'
@@ -15,7 +16,12 @@ export class BrowserSessions {
     this.sessions.delete(sessionId)
   }
 
-  createSession(sessionId: string, project: TestProject, pool: { reject: (error: Error) => void }): Promise<void> {
+  createSession(
+    sessionId: string,
+    project: TestProject,
+    pool: { reject: (error: Error) => void },
+    options?: { otelCarrier?: OTELCarrier },
+  ): Promise<void> {
     // this promise only waits for the WS connection with the orchestrator to be established
     const defer = createDefer<void>()
 
@@ -25,6 +31,7 @@ export class BrowserSessions {
 
     this.sessions.set(sessionId, {
       project,
+      otelCarrier: options?.otelCarrier,
       connected: () => {
         defer.resolve()
         clearTimeout(timeout)
diff --git a/packages/vitest/src/node/project.ts b/packages/vitest/src/node/project.ts
index b6f687db692e..f7a3646d07a4 100644
--- a/packages/vitest/src/node/project.ts
+++ b/packages/vitest/src/node/project.ts
@@ -626,14 +626,12 @@ export class TestProject {
     const url = new URL('/__vitest_test__/', origin)
     url.searchParams.set('sessionId', sessionId)
     const otelCarrier = this.vitest._traces.getContextCarrier()
-    if (otelCarrier) {
-      url.searchParams.set('otelCarrier', JSON.stringify(otelCarrier))
-    }
     this.vitest._browserSessions.sessionIds.add(sessionId)
     const sessionPromise = this.vitest._browserSessions.createSession(
       sessionId,
       this,
       pool,
+      { otelCarrier },
     )
     const pagePromise = this.browser.provider.openPage(
       sessionId,
diff --git a/packages/vitest/src/node/types/browser.ts b/packages/vitest/src/node/types/browser.ts
index 5dd144b1eab7..5e0b169dd20d 100644
--- a/packages/vitest/src/node/types/browser.ts
+++ b/packages/vitest/src/node/types/browser.ts
@@ -6,6 +6,7 @@ import type { Plugin, ViteDevServer } from 'vite'
 import type { BrowserCommands, CDPSession } from 'vitest/browser'
 import type { BrowserTraceViewMode } from '../../runtime/config'
 import type { BrowserTesterOptions } from '../../types/browser'
+import type { OTELCarrier } from '../../utils/traces'
 import type { TestProject } from '../project'
 import type { ApiConfig, ProjectConfig } from './config'
 
@@ -309,6 +310,7 @@ export interface BrowserCommandContext {
 
 export interface BrowserServerStateSession {
   project: TestProject
+  otelCarrier?: OTELCarrier
   connected: () => void
   fail: (v: Error) => void
 }