diff --git a/backend/helpers/lit_oauth.py b/backend/helpers/lit_oauth.py
index 3df84d2..bfd8075 100644
--- a/backend/helpers/lit_oauth.py
+++ b/backend/helpers/lit_oauth.py
@@ -23,6 +23,7 @@ class LITOauth:
         try:
             oauth = OAuth2Session(
                 client_id=HYDRA_CLIENT_ID,
+                redirect_uri=REDIRECT_URL,
                 state=state,
             )
             token = oauth.fetch_token(