diff --git a/src/worker/vitest.ts b/src/worker/vitest.ts
index a222ef1..053d1e3 100644
--- a/src/worker/vitest.ts
+++ b/src/worker/vitest.ts
@@ -113,6 +113,9 @@ export class Vitest implements VitestMethods {
   }
 
   public async runTests(specsOrPaths: SerializedTestSpecification[] | string[] | undefined, testNamePattern?: string) {
+    // @ts-expect-error private method in Vitest <=2.1.5
+    await this.ctx.initBrowserProviders?.()
+
     const specs = await this.resolveTestSpecs(specsOrPaths)
 
     await this.runTestFiles(specs, testNamePattern, !specs)