diff --git a/web/frontend/src/api.ts b/web/frontend/src/api.ts
index 89afee3..c912a0f 100644
--- a/web/frontend/src/api.ts
+++ b/web/frontend/src/api.ts
@@ -1,4 +1,4 @@
-const BASE = 'http://localhost:8420/api'
+const BASE = '/api'
 
 async function get<T>(path: string): Promise<T> {
   const res = await fetch(`${BASE}${path}`)
diff --git a/web/frontend/src/views/ProjectView.vue b/web/frontend/src/views/ProjectView.vue
index 06e608f..d225ca3 100644
--- a/web/frontend/src/views/ProjectView.vue
+++ b/web/frontend/src/views/ProjectView.vue
@@ -133,7 +133,7 @@ async function addDecision() {
       category: decForm.value.category || undefined,
       tags,
     }
-    const res = await fetch('http://localhost:8420/api/decisions', {
+    const res = await fetch('/api/decisions', {
       method: 'POST',
       headers: { 'Content-Type': 'application/json' },
       body: JSON.stringify(body),