diff --git a/src/lib/isMobilePhone.js b/src/lib/isMobilePhone.js
index c6ded55b6..a901a94d8 100644
--- a/src/lib/isMobilePhone.js
+++ b/src/lib/isMobilePhone.js
@@ -76,7 +76,7 @@ const phones = {
   'es-CO': /^(\+?57)?3(0(0|1|2|4|5)|1\d|2[0-4]|5(0|1))\d{7}$/,
   'es-CL': /^(\+?56|0)[2-9]\d{1}\d{7}$/,
   'es-CR': /^(\+506)?[2-8]\d{7}$/,
-  'es-CU': /^(\+53|0053)?5\d{7}/,
+  'es-CU': /^(\+53|0053)?5\d{7}$/,
   'es-DO': /^(\+?1)?8[024]9\d{7}$/,
   'es-HN': /^(\+?504)?[9|8|3|2]\d{7}$/,
   'es-EC': /^(\+?593|0)([2-7]|9[2-9])\d{7}$/,
diff --git a/test/validators.test.js b/test/validators.test.js
index 239f172ca..6816a3bbb 100644
--- a/test/validators.test.js
+++ b/test/validators.test.js
@@ -8296,6 +8296,7 @@ describe('Validators', () => {
           '',
           'abc',
           '+535123457',
+          '56043029304',
         ],
       },
       {