diff --git a/tempest/api/compute/admin/test_live_migration.py b/tempest/api/compute/admin/test_live_migration.py
index 489dbac..79c2ac9 100644
--- a/tempest/api/compute/admin/test_live_migration.py
+++ b/tempest/api/compute/admin/test_live_migration.py
@@ -56,9 +56,10 @@
         return self._get_server_details(server_id)[self._host_key]
 
     def _migrate_server_to(self, server_id, dest_host):
+        bmflm = CONF.compute_feature_enabled.block_migration_for_live_migration
         body = self.admin_servers_client.live_migrate_server(
-            server_id, dest_host,
-            CONF.compute_feature_enabled.block_migration_for_live_migration)
+            server_id, host=dest_host, block_migration=bmflm,
+            disk_over_commit=False)
         return body
 
     def _get_host_other_than(self, host):
diff --git a/tempest/api/compute/test_live_block_migration_negative.py b/tempest/api/compute/test_live_block_migration_negative.py
index fabe55d..2cd85f2 100644
--- a/tempest/api/compute/test_live_block_migration_negative.py
+++ b/tempest/api/compute/test_live_block_migration_negative.py
@@ -40,10 +40,10 @@
         cls.admin_servers_client = cls.os_adm.servers_client
 
     def _migrate_server_to(self, server_id, dest_host):
+        bmflm = CONF.compute_feature_enabled.block_migration_for_live_migration
         body = self.admin_servers_client.live_migrate_server(
-            server_id, dest_host,
-            CONF.compute_feature_enabled.
-            block_migration_for_live_migration)
+            server_id, host=dest_host, block_migration=bmflm,
+            disk_over_commit=False)
         return body
 
     @test.attr(type=['negative'])
diff --git a/tempest/services/compute/json/servers_client.py b/tempest/services/compute/json/servers_client.py
index 37df179..a99a1f5 100644
--- a/tempest/services/compute/json/servers_client.py
+++ b/tempest/services/compute/json/servers_client.py
@@ -381,16 +381,10 @@
         """Removes a security group from the server."""
         return self.action(server_id, 'removeSecurityGroup', None, name=name)
 
-    def live_migrate_server(self, server_id, dest_host, use_block_migration):
+    def live_migrate_server(self, server_id, **kwargs):
         """This should be called with administrator privileges ."""
 
-        migrate_params = {
-            "disk_over_commit": False,
-            "block_migration": use_block_migration,
-            "host": dest_host
-        }
-
-        req_body = json.dumps({'os-migrateLive': migrate_params})
+        req_body = json.dumps({'os-migrateLive': kwargs})
 
         resp, body = self.post("servers/%s/action" % server_id, req_body)
         self.validate_response(schema.server_actions_common_schema,