diff --git a/flask_swagger_ui/flask_swagger_ui.py b/flask_swagger_ui/flask_swagger_ui.py
index 5c0886c..fce0a2f 100644
--- a/flask_swagger_ui/flask_swagger_ui.py
+++ b/flask_swagger_ui/flask_swagger_ui.py
@@ -4,7 +4,7 @@
 
 
 def get_swaggerui_blueprint(
-    base_url, api_url, config=None, oauth_config=None, blueprint_name="swagger_ui"
+    base_url, api_url, config=None, oauth_config=None, blueprint_name="swagger_ui", site_url=None
 ):
 
     swagger_ui = Blueprint(
@@ -26,6 +26,11 @@ def get_swaggerui_blueprint(
     if config:
         default_config.update(config)
 
+    if site_url is not None:
+        base_url = site_url + base_url
+
+    print(base_url)
+
     fields = {
         # Some fields are used directly in template
         "base_url": base_url,
diff --git a/setup.py b/setup.py
index 495b8a5..d1b37ca 100644
--- a/setup.py
+++ b/setup.py
@@ -10,7 +10,7 @@
 
 setup(
     name="flask-swagger-ui",
-    version="3.36.0",
+    version="3.37.0",
     description="Swagger UI blueprint for Flask",
     long_description=long_description,
     long_description_content_type="text/markdown",