diff --git a/fastapi_msal/auth.py b/fastapi_msal/auth.py
index 499ad26..20a2062 100644
--- a/fastapi_msal/auth.py
+++ b/fastapi_msal/auth.py
@@ -62,7 +62,10 @@ async def _login_route(
         if client_id:
             print(client_id)
         if not redirect_uri:
-            redirect_uri = str(request.url_for("_get_token_route"))
+            if self.handler.client_config.redirect_uri:
+                redirect_uri = self.handler.client_config.redirect_uri
+            else:
+                redirect_uri = str(request.url_for("_get_token_route"))
         return await self.handler.authorize_redirect(request=request, redirec_uri=redirect_uri, state=state)
 
     async def _get_token_route(self, request: Request, code: str, state: OptStr) -> RedirectResponse:
diff --git a/fastapi_msal/core/msal_client_config.py b/fastapi_msal/core/msal_client_config.py
index c965c62..923bf66 100644
--- a/fastapi_msal/core/msal_client_config.py
+++ b/fastapi_msal/core/msal_client_config.py
@@ -50,6 +50,9 @@ class MSALClientConfig(BaseSettings):
     logout_path: str = "/_logout_route"
     show_in_docs: bool = False
 
+    # Optional uri for redirect (token path) in cases where the app is behind a reverse proxy (PR #35)
+    redirect_uri: OptStr = None
+
     # Optional Params for Logging and Telemetry with AAD
     app_name: OptStr = None
     app_version: OptStr = None