diff --git a/nginx/proxy.conf b/nginx/proxy.conf
index b70a7d8..ef0d46a 100644
--- a/nginx/proxy.conf
+++ b/nginx/proxy.conf
@@ -3,3 +3,9 @@ map $http_x_forwarded_proto $origin_proto {
     default $http_x_forwarded_proto;
     ""      $scheme;
 }
+
+# Map to detect POST to /auth/login
+map "$request_uri:$request_method" $cms_login {
+    default 0;
+    "~^/auth/login$:POST" 1;
+}
diff --git a/nginx/studio.norteamericano.com b/nginx/studio.norteamericano.com
index bd27f82..e1dc64e 100644
--- a/nginx/studio.norteamericano.com
+++ b/nginx/studio.norteamericano.com
@@ -1,8 +1,11 @@
-# CMS API routes - ONLY POST /auth/login
-# All other routes handled by Next.js rewrites
+# CMS API routes - redirect POST /auth/login to CMS
 
-# Auth login - POST goes to CMS API, GET stays on frontend
 location = /auth/login {
+    # POST requests go to CMS API (port 3001)
+    if ($cms_login) {
+        proxy_pass http://172.18.0.6:3001;
+    }
+    # GET requests stay on frontend (port 3000)
     proxy_pass http://172.18.0.6:3000;
     proxy_set_header Host $host;
     proxy_set_header X-Real-IP $remote_addr;