diff --git a/models/behaviour/mail/oauth_v2.py b/models/behaviour/mail/oauth_v2.py
index 6131e53..e4a5f2f 100644
--- a/models/behaviour/mail/oauth_v2.py
+++ b/models/behaviour/mail/oauth_v2.py
@@ -229,8 +229,8 @@ class MailOAuthModel(BaseModel):
                         "$cond": {
                             "if": {
                                 "$or": [
-                                    {"$eq": ["$fieldName", None]},
-                                    {"$eq": [{"$type": "$fieldName"}, "missing"]}
+                                    {"$eq": ["$firstRefreshTs", None]},
+                                    {"$eq": [{"$type": "$firstRefreshTs"}, "missing"]}
                                 ]
                             },
                             "then": request_ts,