diff --git a/.github/workflows/ui-end2end.yml b/.github/workflows/ui-end2end.yml
index 554443dbeb..24d7dedfce 100644
--- a/.github/workflows/ui-end2end.yml
+++ b/.github/workflows/ui-end2end.yml
@@ -11,6 +11,7 @@ on:
 env:
 # Temporary secret for CI test runs only – replace with GitHub Secret later
   AUTH_SECRET: "N/c6mnaS5+SWq81+819OrzQZlmx1Vxtp/orjttJSmw8="
+  API_BASE_URL: "http://localhost:8080/api/v1"
   SERVICES_TO_START: "api-dev postgres valkey worker-beat worker-dev"
   DOCKER_COMPOSE_FILE: "docker-compose-dev.yml"
 
diff --git a/ui/tests/e2e/auth/authentication.spec.ts b/ui/tests/e2e/auth/authentication.spec.ts
index 487c7785e9..963365133b 100644
--- a/ui/tests/e2e/auth/authentication.spec.ts
+++ b/ui/tests/e2e/auth/authentication.spec.ts
@@ -7,7 +7,7 @@ const testPassword = 'Testt@123456';
 test.beforeAll(async () => {
     const apiContext = await request.newContext();
 
-    await apiContext.post(`${process.env.API_BASE_URL}users`, {
+    await apiContext.post(`${process.env.API_BASE_URL}/users`, {
         headers: {
             'Content-Type': 'application/vnd.api+json',
             'Accept': 'application/vnd.api+json',