diff --git a/gin.go b/gin.go
index 7bdb68574b..0f4372bd54 100644
--- a/gin.go
+++ b/gin.go
@@ -264,8 +264,9 @@ func (engine *Engine) NoRoute(handlers ...HandlerFunc) {
 	engine.rebuild404Handlers()
 }
 
-// NoMethod sets the handlers called when... TODO.
+// NoMethod sets the handlers called when NoMethod.
 func (engine *Engine) NoMethod(handlers ...HandlerFunc) {
+	engine.HandleMethodNotAllowed = true
 	engine.noMethod = handlers
 	engine.rebuild405Handlers()
 }