diff --git a/core/admin/mailu/api/__init__.py b/core/admin/mailu/api/__init__.py
index 3fd9d495..da7325ae 100644
--- a/core/admin/mailu/api/__init__.py
+++ b/core/admin/mailu/api/__init__.py
@@ -1,8 +1,7 @@
-from flask import redirect, url_for
+from flask import redirect, url_for, Blueprint
 from flask_restx import apidoc
 from . import v1 as APIv1
 
-
 def register(app, web_api_root):
 
     APIv1.app = app
@@ -12,9 +11,11 @@ def register(app, web_api_root):
     app.register_blueprint(APIv1.blueprint, url_prefix=f'{web_api_root}/v{int(APIv1.VERSION)}')
 
     # add redirect to current api version
-    @app.route(f'{web_api_root}/')
+    redirect_api = Blueprint('redirect_api', __name__)
+    @redirect_api.route('/')
     def redir():
         return redirect(url_for(f'{APIv1.blueprint.name}.root'))
+    app.register_blueprint(redirect_api, url_prefix=f'{web_api_root}')
 
     # swagger ui config
     app.config.SWAGGER_UI_DOC_EXPANSION = 'list'
diff --git a/core/admin/mailu/api/v1/__init__.py b/core/admin/mailu/api/v1/__init__.py
index 5cb1fc82..44b6ec57 100644
--- a/core/admin/mailu/api/v1/__init__.py
+++ b/core/admin/mailu/api/v1/__init__.py
@@ -21,7 +21,7 @@ api = Api(
     validate=True,
     authorizations=authorization,
     security='Bearer',
-    doc='/swaggerui/'
+    doc='/'
 )
 
 response_fields = api.model('Response', {
diff --git a/core/nginx/conf/nginx.conf b/core/nginx/conf/nginx.conf
index 722e5e50..463cee20 100644
--- a/core/nginx/conf/nginx.conf
+++ b/core/nginx/conf/nginx.conf
@@ -244,7 +244,7 @@ http {
       {% endif %}
       {% endif %}
 
-      {% if API == 'true' %}
+      {% if API %}
       location ~ {{ WEB_API }} {
         include /etc/nginx/proxy.conf;
         proxy_pass http://$admin;