diff --git a/src/directive.ts b/src/directive.ts
index d977f80..42225a4 100644
--- a/src/directive.ts
+++ b/src/directive.ts
@@ -25,7 +25,7 @@ export const vMaska: MaskaDirective = (el, binding) => {
   if (existed != null) {
     checkValue(input)
 
-    if (!existed.needUpdate(input, opts)) {
+    if (!existed.needUpdateOptions(input, opts)) {
       return
     }
 
diff --git a/src/mask-input.ts b/src/mask-input.ts
index ca06d55..616c014 100644
--- a/src/mask-input.ts
+++ b/src/mask-input.ts
@@ -43,7 +43,7 @@ export class MaskInput {
     this.items.clear()
   }
 
-  needUpdate (input: HTMLInputElement, opts: MaskInputOptions): boolean {
+  needUpdateOptions (input: HTMLInputElement, opts: MaskInputOptions): boolean {
     const mask = this.items.get(input) as Mask
     const maskNew = new Mask(parseInput(input, this.getMaskOpts(opts)))