diff --git a/CHANGELOG.md b/CHANGELOG.md
index 515766ce8..34fea2c81 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,7 @@
 #### HEAD
 
+- Fix the incorrect `isFloat('.') === true`
+  ([#443](https://github.com/chriso/validator.js/pull/443))
 - Added a Norwegian locale to `isMobilePhone()`
   ([#439](https://github.com/chriso/validator.js/pull/439))
 
diff --git a/test/validators.js b/test/validators.js
index e5edf38fd..0108de70f 100644
--- a/test/validators.js
+++ b/test/validators.js
@@ -676,6 +676,7 @@ describe('Validators', function () {
                 '-.123'
               , '  '
               , ''
+              , '.'
               , 'foo'
             ]
         });
diff --git a/validator.js b/validator.js
index 12de5d107..34919f6a5 100644
--- a/validator.js
+++ b/validator.js
@@ -440,7 +440,10 @@
 
     validator.isFloat = function (str, options) {
         options = options || {};
-        return str !== '' && float.test(str) && (!options.hasOwnProperty('min') || str >= options.min) && (!options.hasOwnProperty('max') || str <= options.max);
+        if (str === '' || str === '.') {
+            return false;
+        }
+        return float.test(str) && (!options.hasOwnProperty('min') || str >= options.min) && (!options.hasOwnProperty('max') || str <= options.max);
     };
 
     validator.isDivisibleBy = function (str, num) {
diff --git a/validator.min.js b/validator.min.js
index 54c6b9755..92e5aae59 100644
--- a/validator.min.js
+++ b/validator.min.js
@@ -20,4 +20,4 @@
  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
-!function(t,e){"undefined"!=typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&"object"==typeof define.amd?define(e):this[t]=e()}("validator",function(t){"use strict";function e(t,e){t=t||{};for(var r in e)"undefined"==typeof t[r]&&(t[r]=e[r]);return t}function r(t){var e="(\\"+t.symbol.replace(/\./g,"\\.")+")"+(t.require_symbol?"":"?"),r="-?",n="[1-9]\\d*",i="[1-9]\\d{0,2}(\\"+t.thousands_separator+"\\d{3})*",o=["0",n,i],u="("+o.join("|")+")?",a="(\\"+t.decimal_separator+"\\d{2})?",s=u+a;return t.allow_negatives&&!t.parens_for_negatives&&(t.negative_sign_after_digits?s+=r:t.negative_sign_before_digits&&(s=r+s)),t.allow_negative_sign_placeholder?s="( (?!\\-))?"+s:t.allow_space_after_symbol?s=" ?"+s:t.allow_space_after_digits&&(s+="( (?!$))?"),t.symbol_after_digits?s+=e:s=e+s,t.allow_negatives&&(t.parens_for_negatives?s="(\\("+s+"\\)|"+s+")":t.negative_sign_before_digits||t.negative_sign_after_digits||(s=r+s)),new RegExp("^(?!-? )(?=.*\\d)"+s+"$")}t={version:"4.1.0"};var n=/^[a-z\d!#\$%&'\*\+\-\/=\?\^_`{\|}~]+$/i,i=/^([\s\x01-\x08\x0b\x0c\x0e-\x1f\x7f\x21\x23-\x5b\x5d-\x7e]|(\\[\x01-\x09\x0b\x0c\x0d-\x7f]))*$/i,o=/^[a-z\d!#\$%&'\*\+\-\/=\?\^_`{\|}~\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]+$/i,u=/^([\s\x01-\x08\x0b\x0c\x0e-\x1f\x7f\x21\x23-\x5b\x5d-\x7e\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]|(\\[\x01-\x09\x0b\x0c\x0d-\x7f\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]))*$/i,a=/^[a-z\d!#\$%&'\*\+\-\/=\?\^_`{\|}~\.\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]+[a-z\d!#\$%&'\*\+\-\/=\?\^_`{\|}~\.\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF\s]*<(.+)>$/i,s=/^(?:4[0-9]{12}(?:[0-9]{3})?|5[1-5][0-9]{14}|6(?:011|5[0-9][0-9])[0-9]{12}|3[47][0-9]{13}|3(?:0[0-5]|[68][0-9])[0-9]{11}|(?:2131|1800|35\d{3})\d{11})$/,l=/^[A-Z]{2}[0-9A-Z]{9}[0-9]$/,f=/^(?:[0-9]{9}X|[0-9]{10})$/,c=/^(?:[0-9]{13})$/,g=/^(\d+)\.(\d+)\.(\d+)\.(\d+)$/,p=/^[0-9A-F]{1,4}$/i,d={3:/^[0-9A-F]{8}-[0-9A-F]{4}-3[0-9A-F]{3}-[0-9A-F]{4}-[0-9A-F]{12}$/i,4:/^[0-9A-F]{8}-[0-9A-F]{4}-4[0-9A-F]{3}-[89AB][0-9A-F]{3}-[0-9A-F]{12}$/i,5:/^[0-9A-F]{8}-[0-9A-F]{4}-5[0-9A-F]{3}-[89AB][0-9A-F]{3}-[0-9A-F]{12}$/i,all:/^[0-9A-F]{8}-[0-9A-F]{4}-[0-9A-F]{4}-[0-9A-F]{4}-[0-9A-F]{12}$/i},F=/^[A-Z]+$/i,_=/^[0-9A-Z]+$/i,x=/^[-+]?[0-9]+$/,h=/^(?:[-+]?(?:0|[1-9][0-9]*))$/,v=/^(?:[-+]?(?:[0-9]+))?(?:\.[0-9]*)?(?:[eE][\+\-]?(?:[0-9]+))?$/,A=/^[0-9A-F]+$/i,m=/^[-+]?([0-9]+|\.[0-9]+|[0-9]+\.[0-9]+)$/,$=/^#?([0-9A-F]{3}|[0-9A-F]{6})$/i,w=/^[\x00-\x7F]+$/,D=/[^\x00-\x7F]/,b=/[^\u0020-\u007E\uFF61-\uFF9F\uFFA0-\uFFDC\uFFE8-\uFFEE0-9a-zA-Z]/,y=/[\u0020-\u007E\uFF61-\uFF9F\uFFA0-\uFFDC\uFFE8-\uFFEE0-9a-zA-Z]/,E=/[\uD800-\uDBFF][\uDC00-\uDFFF]/,S=/^(?:[A-Z0-9+\/]{4})*(?:[A-Z0-9+\/]{2}==|[A-Z0-9+\/]{3}=|[A-Z0-9+\/]{4})$/i,C={"zh-CN":/^(\+?0?86\-?)?1[345789]\d{9}$/,"zh-TW":/^(\+?886\-?|0)?9\d{8}$/,"en-ZA":/^(\+?27|0)\d{9}$/,"en-AU":/^(\+?61|0)4\d{8}$/,"en-HK":/^(\+?852\-?)?[569]\d{3}\-?\d{4}$/,"fr-FR":/^(\+?33|0)[67]\d{8}$/,"pt-PT":/^(\+351)?9[1236]\d{7}$/,"el-GR":/^(\+30)?((2\d{9})|(69\d{8}))$/,"en-GB":/^(\+?44|0)7\d{9}$/,"en-US":/^(\+?1)?[2-9]\d{2}[2-9](?!11)\d{6}$/,"en-ZM":/^(\+26)?09[567]\d{7}$/,"ru-RU":/^(\+?7|8)?9\d{9}$/},I=/^([\+-]?\d{4}(?!\d{2}\b))((-?)((0[1-9]|1[0-2])(\3([12]\d|0[1-9]|3[01]))?|W([0-4]\d|5[0-2])(-?[1-7])?|(00[1-9]|0[1-9]\d|[12]\d{2}|3([0-5]\d|6[1-6])))([T\s]((([01]\d|2[0-3])((:?)[0-5]\d)?|24\:?00)([\.,]\d+(?!:))?)?(\17[0-5]\d([\.,]\d+)?)?([zZ]|([\+-])([01]\d|2[0-3]):?([0-5]\d)?)?)?)?$/;t.extend=function(e,r){t[e]=function(){var e=Array.prototype.slice.call(arguments);return e[0]=t.toString(e[0]),r.apply(t,e)}},t.init=function(){for(var e in t)"function"==typeof t[e]&&"toString"!==e&&"toDate"!==e&&"extend"!==e&&"init"!==e&&t.extend(e,t[e])},t.toString=function(t){return"object"==typeof t&&null!==t&&t.toString?t=t.toString():null===t||"undefined"==typeof t||isNaN(t)&&!t.length?t="":"string"!=typeof t&&(t+=""),t},t.toDate=function(t){return"[object Date]"===Object.prototype.toString.call(t)?t:(t=Date.parse(t),isNaN(t)?null:new Date(t))},t.toFloat=function(t){return parseFloat(t)},t.toInt=function(t,e){return parseInt(t,e||10)},t.toBoolean=function(t,e){return e?"1"===t||"true"===t:"0"!==t&&"false"!==t&&""!==t},t.equals=function(e,r){return e===t.toString(r)},t.contains=function(e,r){return e.indexOf(t.toString(r))>=0},t.matches=function(t,e,r){return"[object RegExp]"!==Object.prototype.toString.call(e)&&(e=new RegExp(e,r)),e.test(t)};var O={allow_display_name:!1,allow_utf8_local_part:!0,require_tld:!0};t.isEmail=function(r,s){if(s=e(s,O),s.allow_display_name){var l=r.match(a);l&&(r=l[1])}var f=r.split("@"),c=f.pop(),g=f.join("@"),p=c.toLowerCase();if(("gmail.com"===p||"googlemail.com"===p)&&(g=g.replace(/\./g,"").toLowerCase()),!t.isByteLength(g,0,64)||!t.isByteLength(c,0,256))return!1;if(!t.isFQDN(c,{require_tld:s.require_tld}))return!1;if('"'===g[0])return g=g.slice(1,g.length-1),s.allow_utf8_local_part?u.test(g):i.test(g);for(var d=s.allow_utf8_local_part?o:n,F=g.split("."),_=0;_<F.length;_++)if(!d.test(F[_]))return!1;return!0};var N={protocols:["http","https","ftp"],require_tld:!0,require_protocol:!1,require_valid_protocol:!0,allow_underscores:!1,allow_trailing_dot:!1,allow_protocol_relative_urls:!1};t.isURL=function(r,n){if(!r||r.length>=2083||/\s/.test(r))return!1;if(0===r.indexOf("mailto:"))return!1;n=e(n,N);var 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y.test(t)},t.isVariableWidth=function(t){return b.test(t)&&y.test(t)},t.isSurrogatePair=function(t){return E.test(t)},t.isBase64=function(t){return S.test(t)},t.isMongoId=function(e){return t.isHexadecimal(e)&&24===e.length},t.isISO8601=function(t){return I.test(t)},t.ltrim=function(t,e){var r=e?new RegExp("^["+e+"]+","g"):/^\s+/g;return t.replace(r,"")},t.rtrim=function(t,e){var r=e?new RegExp("["+e+"]+$","g"):/\s+$/g;return t.replace(r,"")},t.trim=function(t,e){var r=e?new RegExp("^["+e+"]+|["+e+"]+$","g"):/^\s+|\s+$/g;return t.replace(r,"")},t.escape=function(t){return t.replace(/&/g,"&amp;").replace(/"/g,"&quot;").replace(/'/g,"&#x27;").replace(/</g,"&lt;").replace(/>/g,"&gt;").replace(/\//g,"&#x2F;").replace(/\`/g,"&#96;")},t.stripLow=function(e,r){var n=r?"\\x00-\\x09\\x0B\\x0C\\x0E-\\x1F\\x7F":"\\x00-\\x1F\\x7F";return t.blacklist(e,n)},t.whitelist=function(t,e){return t.replace(new RegExp("[^"+e+"]+","g"),"")},t.blacklist=function(t,e){return t.replace(new RegExp("["+e+"]+","g"),"")};var q={lowercase:!0};return t.normalizeEmail=function(r,n){if(n=e(n,q),!t.isEmail(r))return!1;var i=r.split("@",2);if(i[1]=i[1].toLowerCase(),"gmail.com"===i[1]||"googlemail.com"===i[1]){if(i[0]=i[0].toLowerCase().replace(/\./g,""),"+"===i[0][0])return!1;i[0]=i[0].split("+")[0],i[1]="gmail.com"}else n.lowercase&&(i[0]=i[0].toLowerCase());return i.join("@")},t.init(),t});
+!function(t,e){"undefined"!=typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&"object"==typeof define.amd?define(e):this[t]=e()}("validator",function(t){"use strict";function e(t,e){t=t||{};for(var r in e)"undefined"==typeof t[r]&&(t[r]=e[r]);return t}function r(t){var e="(\\"+t.symbol.replace(/\./g,"\\.")+")"+(t.require_symbol?"":"?"),r="-?",n="[1-9]\\d*",i="[1-9]\\d{0,2}(\\"+t.thousands_separator+"\\d{3})*",o=["0",n,i],u="("+o.join("|")+")?",a="(\\"+t.decimal_separator+"\\d{2})?",s=u+a;return t.allow_negatives&&!t.parens_for_negatives&&(t.negative_sign_after_digits?s+=r:t.negative_sign_before_digits&&(s=r+s)),t.allow_negative_sign_placeholder?s="( (?!\\-))?"+s:t.allow_space_after_symbol?s=" ?"+s:t.allow_space_after_digits&&(s+="( (?!$))?"),t.symbol_after_digits?s+=e:s=e+s,t.allow_negatives&&(t.parens_for_negatives?s="(\\("+s+"\\)|"+s+")":t.negative_sign_before_digits||t.negative_sign_after_digits||(s=r+s)),new RegExp("^(?!-? 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