diff --git a/sanity_check.php b/sanity_check.php
index 58baf7c30..21fc03806 100644
--- a/sanity_check.php
+++ b/sanity_check.php
@@ -2,7 +2,7 @@
 	require_once "functions.php";
 
 	define('EXPECTED_CONFIG_VERSION', 10);
-	define('SCHEMA_VERSION', 23);
+	define('SCHEMA_VERSION', 24);
 
 	if (!file_exists("config.php")) {
 		print __("<b>Fatal Error</b>: You forgot to copy 
diff --git a/schema/ttrss_schema_mysql.sql b/schema/ttrss_schema_mysql.sql
index a340dbf25..181c49f4f 100644
--- a/schema/ttrss_schema_mysql.sql
+++ b/schema/ttrss_schema_mysql.sql
@@ -199,7 +199,7 @@ create table ttrss_tags (id integer primary key auto_increment,
 
 create table ttrss_version (schema_version int not null) TYPE=InnoDB;
 
-insert into ttrss_version values (23);
+insert into ttrss_version values (24);
 
 create table ttrss_prefs_types (id integer not null primary key, 
 	type_name varchar(100) not null) TYPE=InnoDB;
@@ -301,6 +301,8 @@ insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) valu
 
 insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('DIGEST_CATCHUP', 1, 'false', 'Mark articles in e-mail digest as read',1);
 
+insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('CDM_EXPANDED', 1, 'true', 'Automatically expand articles in combined mode',3);
+
 create table ttrss_user_prefs (
    owner_uid integer not null,
    pref_name varchar(250),
diff --git a/schema/ttrss_schema_pgsql.sql b/schema/ttrss_schema_pgsql.sql
index c7e0f8fbf..bb4c45375 100644
--- a/schema/ttrss_schema_pgsql.sql
+++ b/schema/ttrss_schema_pgsql.sql
@@ -178,7 +178,7 @@ create index ttrss_tags_owner_uid_index on ttrss_tags(owner_uid);
 
 create table ttrss_version (schema_version int not null);
 
-insert into ttrss_version values (23);
+insert into ttrss_version values (24);
 
 create table ttrss_prefs_types (id integer not null primary key, 
 	type_name varchar(100) not null);
@@ -276,6 +276,8 @@ insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) valu
 
 insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('DIGEST_CATCHUP', 1, 'false', 'Mark articles in e-mail digest as read',1);
 
+insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('CDM_EXPANDED', 1, 'true', 'Automatically expand articles in combined mode',3);
+
 create table ttrss_user_prefs (
 	owner_uid integer not null references ttrss_users(id) ON DELETE CASCADE,
 	pref_name varchar(250) not null references ttrss_prefs(pref_name) ON DELETE CASCADE,
diff --git a/schema/versions/mysql/24.sql b/schema/versions/mysql/24.sql
new file mode 100644
index 000000000..f24e34062
--- /dev/null
+++ b/schema/versions/mysql/24.sql
@@ -0,0 +1,3 @@
+insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('CDM_EXPANDED', 1, 'true', 'Automatically expand articles in combined mode',3);
+
+update ttrss_version set schema_version = 24;
diff --git a/schema/versions/pgsql/24.sql b/schema/versions/pgsql/24.sql
new file mode 100644
index 000000000..f24e34062
--- /dev/null
+++ b/schema/versions/pgsql/24.sql
@@ -0,0 +1,3 @@
+insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('CDM_EXPANDED', 1, 'true', 'Automatically expand articles in combined mode',3);
+
+update ttrss_version set schema_version = 24;