diff --git a/fulcra_api/oidc.py b/fulcra_api/oidc.py
index 43aab13..6e00fce 100644
--- a/fulcra_api/oidc.py
+++ b/fulcra_api/oidc.py
@@ -159,7 +159,7 @@ def get_token(self, grant_type: str, payload: dict) -> FulcraCredentials:
             access_token=access_token,
             access_token_expiration=expires_in,
             refresh_token=refresh_token,
-            id_token=id_token,
+            id_token=id_token
         )
 
     def refresh_credentials(self, credentials: FulcraCredentials) -> FulcraCredentials:
@@ -167,6 +167,10 @@ def refresh_credentials(self, credentials: FulcraCredentials) -> FulcraCredentia
         if credentials.refresh_token is None:
             raise Exception("No refresh token available to refresh credentials with")
 
-        payload = {"refresh_token": credentials.refresh_token, "scope": self.scope}
+        payload = {
+            "refresh_token": credentials.refresh_token,
+            "scope": self.scope,
+            "id_token": credentials.id_token,
+        }
 
         return self.get_token("refresh_token", payload)