diff --git a/openstack/db/v1/instances/requests.go b/openstack/db/v1/instances/requests.go
index 08fa9b5..fd9eea7 100644
--- a/openstack/db/v1/instances/requests.go
+++ b/openstack/db/v1/instances/requests.go
@@ -25,7 +25,7 @@
 
 	// An array of databases that this user will connect to. The `name` field is
 	// the only requirement for each option.
-	Databases []db.CreateOpts
+	Databases db.BatchCreateOpts
 
 	// Specifies the host from which a user is allowed to connect to the database.
 	// Possible values are a string containing an IPv4 address or "%" to allow
@@ -86,7 +86,7 @@
 	Name string
 
 	// A slice of database information options.
-	Databases []db.CreateOpts
+	Databases db.BatchCreateOpts
 
 	// A slice of user information options.
 	Users UsersOpts
diff --git a/openstack/db/v1/instances/requests_test.go b/openstack/db/v1/instances/requests_test.go
index 2319e20..600bc8b 100644
--- a/openstack/db/v1/instances/requests_test.go
+++ b/openstack/db/v1/instances/requests_test.go
@@ -41,7 +41,7 @@
 	opts := CreateOpts{
 		Name:      "json_rack_instance",
 		FlavorRef: "1",
-		Databases: []db.CreateOpts{
+		Databases: db.BatchCreateOpts{
 			db.CreateOpts{CharSet: "utf8", Collate: "utf8_general_ci", Name: "sampledb"},
 			db.CreateOpts{Name: "nextround"},
 		},
@@ -49,7 +49,7 @@
 			UserOpts{
 				Name:     "demouser",
 				Password: "demopassword",
-				Databases: []db.CreateOpts{
+				Databases: db.BatchCreateOpts{
 					db.CreateOpts{Name: "sampledb"},
 				},
 			},