diff --git a/CHANGELOG.md b/CHANGELOG.md
index fbfb17f4..6e0b8e1b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,11 @@ nylas-python Changelog
 
 Unreleased
 ----------------
+* Fix error when trying to iterate on list after calling count
+* Fix error when setting participant status on create event
+
+v5.14.0
+----------------
 * Add support for verifying webhook signatures
 * Add optional parameter for token-info endpoint
 
diff --git a/nylas/client/restful_models.py b/nylas/client/restful_models.py
index 69d95d96..b6539e78 100644
--- a/nylas/client/restful_models.py
+++ b/nylas/client/restful_models.py
@@ -726,7 +726,11 @@ def as_json(self, enforce_read_only=True):
             dct["when"] = dct["when"].copy()
             dct["when"].pop("object", None)
 
-        if dct.get("participants") and isinstance(dct.get("participants"), list):
+        if (
+            dct.get("participants")
+            and isinstance(dct.get("participants"), list)
+            and self.id
+        ):
             # The status of a participant cannot be updated and, if the key is
             # included, it will return an error from the API
             for participant in dct.get("participants"):
diff --git a/tests/test_events.py b/tests/test_events.py
index 6c347db9..068ba995 100644
--- a/tests/test_events.py
+++ b/tests/test_events.py
@@ -26,11 +26,15 @@ def test_event_crud(mocked_responses, api_client):
     event1.master_event_id = "should not send"
     event1.original_start_time = "should not send"
     event1.visibility = "private"
+    event1.participants = [
+        {"email": "person1@email.com", "status": "yes"},
+    ]
     event1.save()
     request = mocked_responses.calls[0].request
     body = json.loads(request.body)
     assert event1.id == "cv4ei7syx10uvsxbs21ccsezf"
-    assert event1.visibility == "private"
+    assert body["participants"][0]["status"] == "yes"
+    assert body["visibility"] == "private"
     assert "title" in body
     assert "object" not in body
     assert "account_id" not in body
@@ -43,9 +47,13 @@ def test_event_crud(mocked_responses, api_client):
     assert "original_start_time" not in body
 
     event1.title = "blah"
+    assert "participants" in event1
+    event1["participants"][0]["status"] = "no"
     event1.save()
     request = mocked_responses.calls[1].request
     body = json.loads(request.body)
+    assert body["title"] == "blah"
+    assert "status" not in body["participants"][0]
     assert event1.title == "loaded from JSON"
     assert event1.get("ignored") is None
     assert "id" not in body