diff --git a/fhem/contrib/dblog/db_create_mysql.sql b/fhem/contrib/dblog/db_create_mysql.sql
index 3dd46c80a..aa1f7017c 100644
--- a/fhem/contrib/dblog/db_create_mysql.sql
+++ b/fhem/contrib/dblog/db_create_mysql.sql
@@ -1,6 +1,6 @@
 CREATE DATABASE `fhem` DEFAULT CHARACTER SET utf8 COLLATE utf8_bin;
 CREATE USER 'fhemuser'@'%' IDENTIFIED BY 'fhempassword';
-CREATE TABLE `fhem`.`history` (TIMESTAMP TIMESTAMP, DEVICE varchar(64), TYPE varchar(64), EVENT varchar(512), READING varchar(64), VALUE varchar(128), UNIT varchar(32));
+CREATE TABLE `fhem`.`history` (TIMESTAMP TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP, DEVICE varchar(64), TYPE varchar(64), EVENT varchar(512), READING varchar(64), VALUE varchar(128), UNIT varchar(32));
 CREATE TABLE `fhem`.`current` (TIMESTAMP TIMESTAMP, DEVICE varchar(64), TYPE varchar(64), EVENT varchar(512), READING varchar(64), VALUE varchar(128), UNIT varchar(32));
 GRANT SELECT, INSERT, DELETE, UPDATE ON `fhem`.* TO 'fhemuser'@'%';
 CREATE INDEX Search_Idx ON `fhem`.`history` (DEVICE, READING, TIMESTAMP);
diff --git a/fhem/contrib/dblog/db_create_postgresql.sql b/fhem/contrib/dblog/db_create_postgresql.sql
index bcea476b7..abc348621 100644
--- a/fhem/contrib/dblog/db_create_postgresql.sql
+++ b/fhem/contrib/dblog/db_create_postgresql.sql
@@ -53,7 +53,7 @@ ALTER TABLE fhem.current OWNER TO fhem;
 --
 
 CREATE TABLE history (
-    "timestamp" timestamp without time zone,
+    "timestamp" timestamp without time zone default CURRENT_TIMESTAMP,
     device character varying(64),
     type character varying(64),
     event character varying(512),
diff --git a/fhem/contrib/dblog/db_create_sqlite.sql b/fhem/contrib/dblog/db_create_sqlite.sql
index cf7050119..b071b1bde 100644
--- a/fhem/contrib/dblog/db_create_sqlite.sql
+++ b/fhem/contrib/dblog/db_create_sqlite.sql
@@ -1,3 +1,3 @@
+CREATE TABLE history (TIMESTAMP TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP, DEVICE varchar(64), TYPE varchar(64), EVENT varchar(512), READING varchar(64), VALUE varchar(128), UNIT varchar(32));
 CREATE TABLE current (TIMESTAMP TIMESTAMP, DEVICE varchar(64), TYPE varchar(64), EVENT varchar(512), READING varchar(64), VALUE varchar(128), UNIT varchar(32));
-CREATE TABLE history (TIMESTAMP TIMESTAMP, DEVICE varchar(64), TYPE varchar(64), EVENT varchar(512), READING varchar(64), VALUE varchar(128), UNIT varchar(32));
 CREATE INDEX Search_Idx ON `history` (DEVICE, READING, TIMESTAMP);