diff --git a/posthog/temporal/data_imports/pipelines/vitally/__init__.py b/posthog/temporal/data_imports/pipelines/vitally/__init__.py
index 3f070c48653f2..5be4c5ce9ed2c 100644
--- a/posthog/temporal/data_imports/pipelines/vitally/__init__.py
+++ b/posthog/temporal/data_imports/pipelines/vitally/__init__.py
@@ -1,4 +1,5 @@
 import base64
+from datetime import datetime
 from dateutil import parser
 from typing import Any, Optional
 import dlt
@@ -31,7 +32,7 @@ def get_resource(name: str, is_incremental: bool) -> EndpointResource:
                         "type": "incremental",
                         "cursor_path": "updatedAt",
                         "initial_value": "1970-01-01",  # type: ignore
-                        "convert": lambda x: parser.parse(x).timestamp(),
+                        "convert": lambda x: parser.parse(x).timestamp() if not isinstance(x, datetime) else x,
                     }
                     if is_incremental
                     else None,
@@ -60,7 +61,7 @@ def get_resource(name: str, is_incremental: bool) -> EndpointResource:
                         "type": "incremental",
                         "cursor_path": "updatedAt",
                         "initial_value": "1970-01-01",  # type: ignore
-                        "convert": lambda x: parser.parse(x).timestamp(),
+                        "convert": lambda x: parser.parse(x).timestamp() if not isinstance(x, datetime) else x,
                     }
                     if is_incremental
                     else None,
@@ -88,7 +89,7 @@ def get_resource(name: str, is_incremental: bool) -> EndpointResource:
                         "type": "incremental",
                         "cursor_path": "updatedAt",
                         "initial_value": "1970-01-01",  # type: ignore
-                        "convert": lambda x: parser.parse(x).timestamp(),
+                        "convert": lambda x: parser.parse(x).timestamp() if not isinstance(x, datetime) else x,
                     }
                     if is_incremental
                     else None,
@@ -116,7 +117,7 @@ def get_resource(name: str, is_incremental: bool) -> EndpointResource:
                         "type": "incremental",
                         "cursor_path": "updatedAt",
                         "initial_value": "1970-01-01",  # type: ignore
-                        "convert": lambda x: parser.parse(x).timestamp(),
+                        "convert": lambda x: parser.parse(x).timestamp() if not isinstance(x, datetime) else x,
                     }
                     if is_incremental
                     else None,
@@ -144,7 +145,7 @@ def get_resource(name: str, is_incremental: bool) -> EndpointResource:
                         "type": "incremental",
                         "cursor_path": "updatedAt",
                         "initial_value": "1970-01-01",  # type: ignore
-                        "convert": lambda x: parser.parse(x).timestamp(),
+                        "convert": lambda x: parser.parse(x).timestamp() if not isinstance(x, datetime) else x,
                     }
                     if is_incremental
                     else None,
@@ -172,7 +173,7 @@ def get_resource(name: str, is_incremental: bool) -> EndpointResource:
                         "type": "incremental",
                         "cursor_path": "updatedAt",
                         "initial_value": "1970-01-01",  # type: ignore
-                        "convert": lambda x: parser.parse(x).timestamp(),
+                        "convert": lambda x: parser.parse(x).timestamp() if not isinstance(x, datetime) else x,
                     }
                     if is_incremental
                     else None,
@@ -200,7 +201,7 @@ def get_resource(name: str, is_incremental: bool) -> EndpointResource:
                         "type": "incremental",
                         "cursor_path": "updatedAt",
                         "initial_value": "1970-01-01",  # type: ignore
-                        "convert": lambda x: parser.parse(x).timestamp(),
+                        "convert": lambda x: parser.parse(x).timestamp() if not isinstance(x, datetime) else x,
                     }
                     if is_incremental
                     else None,
@@ -228,7 +229,7 @@ def get_resource(name: str, is_incremental: bool) -> EndpointResource:
                         "type": "incremental",
                         "cursor_path": "updatedAt",
                         "initial_value": "1970-01-01",  # type: ignore
-                        "convert": lambda x: parser.parse(x).timestamp(),
+                        "convert": lambda x: parser.parse(x).timestamp() if not isinstance(x, datetime) else x,
                     }
                     if is_incremental
                     else None,
@@ -256,7 +257,7 @@ def get_resource(name: str, is_incremental: bool) -> EndpointResource:
                         "type": "incremental",
                         "cursor_path": "updatedAt",
                         "initial_value": "1970-01-01",  # type: ignore
-                        "convert": lambda x: parser.parse(x).timestamp(),
+                        "convert": lambda x: parser.parse(x).timestamp() if not isinstance(x, datetime) else x,
                     }
                     if is_incremental
                     else None,