diff --git a/controller/generic_controller.go b/controller/generic_controller.go
index 93b455d1..0f9cd9d3 100644
--- a/controller/generic_controller.go
+++ b/controller/generic_controller.go
@@ -215,7 +215,7 @@ func (g *genericController) syncHandler(s string) (err error) {
 			})
 		}
 	}
-	err = types.NewErrors(errs)
+	err = types.NewErrors(errs...)
 	return
 }
 
diff --git a/types/schemas.go b/types/schemas.go
index 53e6058f..2e9cb314 100644
--- a/types/schemas.go
+++ b/types/schemas.go
@@ -57,7 +57,7 @@ func (s *Schemas) Init(initFunc SchemasInitFunc) *Schemas {
 }
 
 func (s *Schemas) Err() error {
-	return NewErrors(s.errors)
+	return NewErrors(s.errors...)
 }
 
 func (s *Schemas) AddSchemas(schema *Schemas) *Schemas {
@@ -343,7 +343,7 @@ type multiErrors struct {
 	errors []error
 }
 
-func NewErrors(errors []error) error {
+func NewErrors(errors ...error) error {
 	if len(errors) == 0 {
 		return nil
 	} else if len(errors) == 1 {