diff --git a/openstack/db/v1/instances/fixtures.go b/openstack/db/v1/instances/fixtures.go
index 9b4b209..1388e23 100644
--- a/openstack/db/v1/instances/fixtures.go
+++ b/openstack/db/v1/instances/fixtures.go
@@ -89,7 +89,7 @@
 )
 
 var (
-	restartReq   = `{"restart": true}`
+	restartReq   = `{"restart": {}}`
 	resizeReq    = `{"resize": {"flavorRef": "2"}}`
 	resizeVolReq = `{"resize": {"volume": {"size": 4}}}`
 )