diff --git a/stubs/hdbcli/hdbcli/dbapi.pyi b/stubs/hdbcli/hdbcli/dbapi.pyi
index 51216e873..c44b9e9d0 100644
--- a/stubs/hdbcli/hdbcli/dbapi.pyi
+++ b/stubs/hdbcli/hdbcli/dbapi.pyi
@@ -120,8 +120,8 @@ class ExecuteManyErrorEntry(Error):
     rownumber: int
 
 def Date(year: int, month: int, day: int) -> date: ...
-def Time(hour: int, minute: int, second: int, millisecond: int = ...) -> time: ...
-def Timestamp(year: int, month: int, day: int, hour: int, minute: int, second: int, millisecond: int = ...) -> datetime: ...
+def Time(hour: int, minute: int, second: int, millisecond: int = 0) -> time: ...
+def Timestamp(year: int, month: int, day: int, hour: int, minute: int, second: int, millisecond: int = 0) -> datetime: ...
 def DateFromTicks(ticks: float) -> date: ...
 def TimeFromTicks(ticks: float) -> time: ...
 def TimestampFromTicks(ticks: float) -> datetime: ...