diff --git a/src/lib/isFloat.js b/src/lib/isFloat.js
index e6cced044..643f9729f 100644
--- a/src/lib/isFloat.js
+++ b/src/lib/isFloat.js
@@ -5,7 +5,7 @@ export default function isFloat(str, options) {
   assertString(str);
   options = options || {};
   const float = new RegExp(`^(?:[-+])?(?:[0-9]+)?(?:\\${options.locale ? decimal[options.locale] : '.'}[0-9]*)?(?:[eE][\\+\\-]?(?:[0-9]+))?$`);
-  if (str === '' || str === '.' || str === '-' || str === '+') {
+  if (str === '' || str === '.' || str === ',' || str === '-' || str === '+') {
     return false;
   }
   const value = parseFloat(str.replace(',', '.'));
diff --git a/src/lib/isPassportNumber.js b/src/lib/isPassportNumber.js
index 4aaf2c291..11d01e8d1 100644
--- a/src/lib/isPassportNumber.js
+++ b/src/lib/isPassportNumber.js
@@ -52,7 +52,7 @@ const passportRegexByCountryCode = {
   MY: /^[AHK]\d{8}$/, // MALAYSIA
   MX: /^\d{10,11}$/, // MEXICO
   NL: /^[A-Z]{2}[A-Z0-9]{6}\d$/, // NETHERLANDS
-  NZ: /^([Ll]([Aa]|[Dd]|[Ff]|[Hh])|[Ee]([Aa]|[Pp])|[Nn])\d{6}$/, // NEW ZELAND
+  NZ: /^([Ll]([Aa]|[Dd]|[Ff]|[Hh])|[Ee]([Aa]|[Pp])|[Nn])\d{6}$/, // NEW ZEALAND
   PH: /^([A-Z](\d{6}|\d{7}[A-Z]))|([A-Z]{2}(\d{6}|\d{7}))$/, // PHILIPPINES
   PK: /^[A-Z]{2}\d{7}$/, // PAKISTAN
   PL: /^[A-Z]{2}\d{7}$/, // POLAND
diff --git a/test/validators.test.js b/test/validators.test.js
index 0f1404d59..86b3522b7 100644
--- a/test/validators.test.js
+++ b/test/validators.test.js
@@ -4122,6 +4122,7 @@ describe('Validators', () => {
         '  ',
         '',
         '.',
+        ',',
         'foo',
         '20.foo',
         '2020-01-06T14:31:00.135Z',