diff --git a/src/lib/isMobilePhone.js b/src/lib/isMobilePhone.js
index b2839d679..48e167dd3 100644
--- a/src/lib/isMobilePhone.js
+++ b/src/lib/isMobilePhone.js
@@ -113,7 +113,7 @@ const phones = {
   'tr-TR': /^(\+?90|0)?5\d{9}$/,
   'uk-UA': /^(\+?38|8)?0\d{9}$/,
   'uz-UZ': /^(\+?998)?(6[125-79]|7[1-69]|88|9\d)\d{7}$/,
-  'vi-VN': /^(\+?84|0)((3([2-9]))|(5([2689]))|(7([0|6-9]))|(8([1-9]))|(9([0-9])))([0-9]{7})$/,
+  'vi-VN': /^((\+?84)|0)((3([2-9]))|(5([25689]))|(7([0|6-9]))|(8([1-9]))|(9([0-9])))([0-9]{7})$/,
   'zh-CN': /^((\+|00)86)?1([3456789][0-9]|4[579]|6[2567]|7[01235678]|9[012356789])[0-9]{8}$/,
   'zh-TW': /^(\+?886\-?|0)?9\d{8}$/,
 };
diff --git a/test/validators.js b/test/validators.js
index ef24ea448..fbc69515c 100644
--- a/test/validators.js
+++ b/test/validators.js
@@ -6748,6 +6748,8 @@ describe('Validators', () => {
           '0892405867',
           '+84888696413',
           '0878123456',
+          '84781234567',
+          '0553803765',
         ],
         invalid: [
           '12345',
@@ -6759,6 +6761,8 @@ describe('Validators', () => {
           '+841698765432',
           '841626543219',
           '0533803765',
+          '08712345678',
+          '+0321234567',
         ],
       },
       {