diff --git a/src/components/forms/phone-input.jsx b/src/components/forms/phone-input.jsx
index 5a06d1de5..4684da2bc 100644
--- a/src/components/forms/phone-input.jsx
+++ b/src/components/forms/phone-input.jsx
@@ -17,6 +17,21 @@ const validationHOCFactory = require('./validations.jsx').validationHOCFactory;
 require('./row.scss');
 require('./phone-input.scss');
 
+const Formsy = require('formsy-react');
+const libphonenumber = require('google-libphonenumber');
+const phoneNumberUtil = libphonenumber.PhoneNumberUtil.getInstance();
+
+Formsy.addValidationRule('isPhone', (values, value) => {
+    if (typeof value === 'undefined') return true;
+    if (value && value.national_number === '+') return true;
+    try {
+        const parsed = phoneNumberUtil.parse(value.national_number, value.country_code.iso2);
+        return phoneNumberUtil.isValidNumber(parsed);
+    } catch (err) {
+        return false;
+    }
+});
+
 class PhoneInput extends React.Component {
     constructor (props) {
         super(props);
diff --git a/src/components/forms/validations.jsx b/src/components/forms/validations.jsx
index c882aa40d..b8b86a27f 100644
--- a/src/components/forms/validations.jsx
+++ b/src/components/forms/validations.jsx
@@ -1,24 +1,12 @@
 const defaults = require('lodash.defaultsdeep');
 const intl = require('../../lib/intl.jsx');
-const libphonenumber = require('google-libphonenumber');
 const omit = require('lodash.omit');
-const phoneNumberUtil = libphonenumber.PhoneNumberUtil.getInstance();
 const PropTypes = require('prop-types');
 const React = require('react');
 
 module.exports.validations = {
     notEquals: (values, value, neq) => (value !== neq),
-    notEqualsField: (values, value, field) => (value !== values[field]),
-    isPhone: (values, value) => {
-        if (typeof value === 'undefined') return true;
-        if (value && value.national_number === '+') return true;
-        try {
-            const parsed = phoneNumberUtil.parse(value.national_number, value.country_code.iso2);
-            return phoneNumberUtil.isValidNumber(parsed);
-        } catch (err) {
-            return false;
-        }
-    }
+    notEqualsField: (values, value, field) => (value !== values[field])
 };
 
 module.exports.validations.notEqualsUsername = module.exports.validations.notEquals;