diff --git a/src/authentic2_auth_oidc/backends.py b/src/authentic2_auth_oidc/backends.py
index ed8ac7fa3..bc708fb85 100644
--- a/src/authentic2_auth_oidc/backends.py
+++ b/src/authentic2_auth_oidc/backends.py
@@ -45,6 +45,9 @@ class OIDCBackend(ModelBackend):
             logger.warning('auth_oidc: invalid id_token %s: %s', original_id_token, e)
             return None
 
+        id_token_content = id_token.as_dict(provider)
+        logger.debug('auth_oidc: id_token content %s', id_token_content)
+
         try:
             provider = utils.get_provider_by_issuer(id_token.iss)
         except models.OIDCProvider.DoesNotExist:
@@ -214,7 +217,7 @@ class OIDCBackend(ModelBackend):
         user_ou = provider.ou
         save_user = False
         mappings = []
-        context = id_token.as_dict(provider)
+        context = id_token_content.copy()
         if need_user_info:
             context.update(user_info or {})