diff --git a/posthog/clickhouse/migrations/0078_add_soft_delete_column_on_events.py b/posthog/clickhouse/migrations/0078_add_soft_delete_column_on_events.py
index 41611247c51de..44e7c5deee802 100644
--- a/posthog/clickhouse/migrations/0078_add_soft_delete_column_on_events.py
+++ b/posthog/clickhouse/migrations/0078_add_soft_delete_column_on_events.py
@@ -11,7 +11,7 @@
 
 ADD_COLUMNS_SHARDED_EVENTS = """
 ALTER TABLE {table} ON CLUSTER {cluster}
-ADD COLUMN IF NOT EXISTS is_deleted Boolean False
+ADD COLUMN IF NOT EXISTS is_deleted DEFAULT Boolean False
 """
 
 ADD_COLUMNS_INDEX_EVENTS = """