diff --git a/schema/mysql-changes/upgrade_43.sql b/schema/mysql-changes/upgrade_43.sql
new file mode 100644
index 00000000..4e6a810e
--- /dev/null
+++ b/schema/mysql-changes/upgrade_43.sql
@@ -0,0 +1,13 @@
+CREATE TABLE icinga_service_assignment (
+  id INT(10) UNSIGNED NOT NULL AUTO_INCREMENT,
+  service_id INT(10) UNSIGNED NOT NULL,
+  filter_string TEXT NOT NULL,  
+  PRIMARY KEY (id),
+  CONSTRAINT icinga_service_assignment
+    FOREIGN KEY service (service_id)
+    REFERENCES icinga_service (id)
+    ON DELETE CASCADE
+    ON UPDATE CASCADE
+) ENGINE=InnoDB;
+
+
diff --git a/schema/mysql.sql b/schema/mysql.sql
index 5e23e371..e0f88736 100644
--- a/schema/mysql.sql
+++ b/schema/mysql.sql
@@ -564,6 +564,18 @@ CREATE TABLE icinga_service_field (
     ON UPDATE CASCADE
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
 
+CREATE TABLE icinga_service_assignment (
+  id INT(10) UNSIGNED NOT NULL AUTO_INCREMENT,
+  service_id INT(10) UNSIGNED NOT NULL,
+  filter_string TEXT NOT NULL,  
+  PRIMARY KEY (id),
+  CONSTRAINT icinga_service_assignment
+    FOREIGN KEY service (service_id)
+    REFERENCES icinga_service (id)
+    ON DELETE CASCADE
+    ON UPDATE CASCADE
+) ENGINE=InnoDB;
+
 CREATE TABLE icinga_host_service (
     host_id INT(10) UNSIGNED NOT NULL,
   service_id INT(10) UNSIGNED NOT NULL,