diff --git a/db.py b/db.py
index 9ca7d772b7d14c4cbf8deecea76b975a5d497c54..a4cac848bd6421e307d0b408f1039191a03b4a70 100644
--- a/db.py
+++ b/db.py
@@ -13,7 +13,7 @@ if config['DB_ENGINE'] == 'sqlite':
 			hours, minutes, seconds = map(int, timepart_full[0].split(b":"))
 			val = datetime(year, month, day, hours, minutes, seconds, 0)
 		except ValueError:
-			val = None
+			val = datetime.fromtimestamp(0)
 		return val
 
 	sqlite3.register_converter('datetime', convert_timestamp)