diff --git a/boot.php b/boot.php
index 48d81ff59..d80d5fd07 100755
--- a/boot.php
+++ b/boot.php
@@ -51,7 +51,7 @@ define ( 'RED_VERSION',             trim(file_get_contents('version.inc')) . 'H'
 define ( 'STD_VERSION',             '1.0' );
 define ( 'ZOT_REVISION',            1     );
 
-define ( 'DB_UPDATE_VERSION',       1160  );
+define ( 'DB_UPDATE_VERSION',       1161  );
 
 
 /**
diff --git a/install/schema_mysql.sql b/install/schema_mysql.sql
index 3dab6c822..9c24cbd94 100644
--- a/install/schema_mysql.sql
+++ b/install/schema_mysql.sql
@@ -23,6 +23,7 @@ CREATE TABLE IF NOT EXISTS `abook` (
   `abook_profile` char(64) NOT NULL DEFAULT '',
   `abook_incl` TEXT NOT NULL DEFAULT '',
   `abook_excl` TEXT NOT NULL DEFAULT '',
+  `abook_instance` TEXT NOT NULL DEFAULT '',
   PRIMARY KEY (`abook_id`),
   KEY `abook_account` (`abook_account`),
   KEY `abook_channel` (`abook_channel`),
diff --git a/install/schema_postgres.sql b/install/schema_postgres.sql
index 95ed9acb7..0214c0c2a 100644
--- a/install/schema_postgres.sql
+++ b/install/schema_postgres.sql
@@ -22,6 +22,7 @@ CREATE TABLE "abook" (
   "abook_profile" char(64) NOT NULL DEFAULT '',
   "abook_incl" TEXT NOT NULL DEFAULT '',
   "abook_excl" TEXT NOT NULL DEFAULT '',
+  "abook_instance" TEXT NOT NULL DEFAULT '',
   PRIMARY KEY ("abook_id")
 );
   create index  "abook_account" on abook ("abook_account");
diff --git a/install/update.php b/install/update.php
index 10ae6725e..37351656f 100644
--- a/install/update.php
+++ b/install/update.php
@@ -1,6 +1,6 @@
 <?php
 
-define( 'UPDATE_VERSION' , 1160 );
+define( 'UPDATE_VERSION' , 1161 );
 
 /**
  *
@@ -1950,3 +1950,10 @@ function update_r1159() {
 }
 
 
+function update_r1160() {
+	$r1 = q("alter table abook add abook_instance text not null default '' ");
+	if($r)
+		return UPDATE_SUCCESS;
+    return UPDATE_FAILED;
+}
+