diff --git a/frontend/src/utils/api.js b/frontend/src/utils/api.js
index b944648..287a975 100644
--- a/frontend/src/utils/api.js
+++ b/frontend/src/utils/api.js
@@ -422,7 +422,7 @@ export const api = {
 
     // Return a Promise that resolves with final result
     return new Promise((resolve, reject) => {
-      const url = `${BASE_URL}/prompts/execute-stream?${params}`
+      const url = `${BASE}/prompts/execute-stream?${params}`
 
       const eventSource = new EventSource(url)