diff --git a/tap_github/organization_streams.py b/tap_github/organization_streams.py
index 8d5c101c..c3332132 100644
--- a/tap_github/organization_streams.py
+++ b/tap_github/organization_streams.py
@@ -874,7 +874,10 @@ def post_process(self, row: dict, context: Context | None = None) -> dict:
                 # Copy all the values
                 for key in ["node_id", "id", "created_at", "updated_at"]:
                     if key in field_value_data:
-                        entry[key] = field_value_data[key]
+                        value = field_value_data[key]
+                        if key == "id" and value is not None:
+                            value = str(value)
+                        entry[key] = value
 
                 # Copy creator if present
                 if "creator" in field_value_data: