diff --git a/web/app/components/rag-pipeline/components/update-dsl-modal.spec.tsx b/web/app/components/rag-pipeline/components/update-dsl-modal.spec.tsx
index 4440b20af9..55bf1ca299 100644
--- a/web/app/components/rag-pipeline/components/update-dsl-modal.spec.tsx
+++ b/web/app/components/rag-pipeline/components/update-dsl-modal.spec.tsx
@@ -153,7 +153,7 @@ describe('UpdateDSLModal', () => {
 
   // Helper function to flush FileReader microtasks
   const flushFileReader = async () => {
-    await flushFileReader()
+    await new Promise<void>(resolve => queueMicrotask(resolve))
   }
 
   beforeEach(() => {