diff --git a/supertokens_python/recipe/session/session_class.py b/supertokens_python/recipe/session/session_class.py
index e904f14c4..36dfd644e 100644
--- a/supertokens_python/recipe/session/session_class.py
+++ b/supertokens_python/recipe/session/session_class.py
@@ -207,7 +207,7 @@ async def assert_claims(
             for k in protected_props:
                 try:
                     del validate_claim_res.access_token_payload_update[k]
-                except ValueError:
+                except KeyError:
                     pass
             await self.merge_into_access_token_payload(
                 validate_claim_res.access_token_payload_update, user_context
diff --git a/tests/sessions/claims/test_assert_claims.py b/tests/sessions/claims/test_assert_claims.py
index 71d955a6e..992ae89c4 100644
--- a/tests/sessions/claims/test_assert_claims.py
+++ b/tests/sessions/claims/test_assert_claims.py
@@ -16,7 +16,9 @@
 )
 from supertokens_python.recipe.session.session_class import Session
 from supertokens_python import init
-from tests.utils import setup_function, teardown_function, start_st, st_init_common_args
+from tests.utils import get_st_init_args, setup_function, teardown_function, start_st, st_init_common_args
+from supertokens_python.recipe.session.asyncio import create_new_session_without_request_response
+from .utils import TrueClaim
 
 _ = setup_function  # type:ignore
 _ = teardown_function  # type:ignore
@@ -125,3 +127,12 @@ def should_refetch(self, payload: JSONObject, user_context: Dict[str, Any]):
 
         assert dummy_claim_validator.validate_calls == {json.dumps(payload): 1}
         mock.assert_not_called()
+
+
+async def test_assert_claims_should_work():
+    init(**get_st_init_args([session.init()]))
+    start_st()
+
+    validator = TrueClaim.validators.is_true(1)
+    s = await create_new_session_without_request_response("public", "userid", {})
+    await s.assert_claims([validator])