diff --git a/Doc/library/sqlite3.rst b/Doc/library/sqlite3.rst
index 2a8463310ca880..950a7f13067504 100644
--- a/Doc/library/sqlite3.rst
+++ b/Doc/library/sqlite3.rst
@@ -2307,7 +2307,7 @@ This section shows recipes for common adapters and converters.
 
    def adapt_datetime_iso(val):
        """Adapt datetime.datetime to timezone-naive ISO 8601 date."""
-       return val.isoformat()
+       return val.replace(tzinfo=None).isoformat()
 
    def adapt_datetime_epoch(val):
        """Adapt datetime.datetime to Unix timestamp."""