diff --git a/packages/fcl-db/src/sqldb/odbc/odbcconn.pas b/packages/fcl-db/src/sqldb/odbc/odbcconn.pas
index 29857d6279..d53f82a323 100644
--- a/packages/fcl-db/src/sqldb/odbc/odbcconn.pas
+++ b/packages/fcl-db/src/sqldb/odbc/odbcconn.pas
@@ -465,6 +465,7 @@ begin
           CType:=SQL_C_TYPE_TIMESTAMP;
           SqlType:=SQL_TYPE_TIMESTAMP;
           ColumnSize:=23;
+          DecimalDigits:=3; // fractional seconds
         end;
       ftBoolean:
         begin