diff --git a/lib/ajax-chosen.js b/lib/ajax-chosen.js
index c3d1843..5f8e354 100644
--- a/lib/ajax-chosen.js
+++ b/lib/ajax-chosen.js
@@ -1,9 +1,11 @@
 
-  /*
-  ajax-chosen
-  A complement to the jQuery library Chosen that adds ajax autocomplete
-  https://github.com/bicouy0/ajax-chosen
-  */
+/*
+ajax-chosen
+A complement to the jQuery library Chosen that adds ajax autocomplete
+https://github.com/bicouy0/ajax-chosen
+*/
+
+(function() {
 
   (function($) {
     return $.fn.ajaxChosen = function(options, callback) {
@@ -27,8 +29,8 @@
       select = this;
       this.chosen(defaultedOptions.chosenOptions);
       return this.next('.chzn-container').find(inputSelector).bind('keyup', function(e) {
-        var search;
-        var _this = this;
+        var search,
+          _this = this;
         if (this.previousSearch) clearTimeout(this.previousSearch);
         search = function() {
           var clearSearchingLabel, currentOptions, field, prevVal, response, val, _ref;
@@ -69,6 +71,9 @@
               var $currentOpt, newOption, presenceInNewOptions;
               $currentOpt = $(currentOpt);
               if ($currentOpt.attr('selected') && multiple) return;
+              if ($currentOpt.attr('value') === '' && $currentOpt.html() === '' && !multiple) {
+                return;
+              }
               presenceInNewOptions = (function() {
                 var _j, _len2, _results;
                 _results = [];
@@ -130,3 +135,5 @@
       });
     };
   })(jQuery);
+
+}).call(this);
diff --git a/lib/ajax-chosen.min.js b/lib/ajax-chosen.min.js
index 35a39c0..57cc0e0 100644
--- a/lib/ajax-chosen.min.js
+++ b/lib/ajax-chosen.min.js
@@ -1,4 +1,4 @@
-(function(a){return a.fn.ajaxChosen=function(y,z){var b,v,u,i;b={minLength:3,queryLimit:10,delay:100,chosenOptions:{},searchingText:"Searching...",noresultsText:"No results."};a.extend(b,y);b.chosenOptions.no_results_text=b.searchingText;v=(u=this.attr("multiple")!=null)?".search-field > input":".chzn-search > input";i=this;this.chosen(b.chosenOptions);return this.next(".chzn-container").find(v).bind("keyup",function(){var w=this;this.previousSearch&&clearTimeout(this.previousSearch);return this.previousSearch=
-setTimeout(function(){var q,j,d,r,m;d=a(w);m=a.trim(d.attr("value"));r=(q=d.data("prevVal"))!=null?q:"";d.data("prevVal",m);q=function(){return(u?d.parent().parent().siblings():d.parent().parent()).find(".no-results").html(b.noresultsText+" '"+a(w).attr("value")+"'")};if(m.length<b.minLength||m===r){q();return false}j=i.find("option");if(j.length<b.queryLimit&&m.indexOf(r)===0&&r!==""){q();return false}b.term=m;return z(b,function(s,x){var e,n,g,h,t;if(d.is(":focus")){n=[];a.each(s,function(o,f){var c;
-c=a("<option>");c.attr("value",o).html(f);return n.push(a(c))});g=function(o){var f,c;f=a(o);if(!(f.attr("selected")&&u))if(function(){var k,l,p;p=[];k=0;for(l=n.length;k<l;k++){c=n[k];c.attr("value")===f.attr("value")&&p.push(c)}return p}().length===0)return f.remove()};h=0;for(t=j.length;h<t;h++){e=j[h];g(e)}j=i.find("option");g=function(o){var f,c,k,l,p;c=false;k=function(A){if(a(A).attr("value")===o.attr("value"))return c=true};l=0;for(p=j.length;l<p;l++){f=j[l];k(f)}if(!c)return i.append(o)};
-h=0;for(t=n.length;h<t;h++){e=n[h];g(e)}e=d.val();if(a.isEmptyObject(s)){g=a("<option>");g.addClass("no-results");g.html(b.noresultsText+" '"+e+"'").attr("value","");i.append(g)}else i.change();i.trigger("liszt:updated");a(".no-results").removeClass("active-result");d.val(e);if(!a.isEmptyObject(s)){e=a.Event("keydown");e.which=40;d.trigger(e)}if(x)return x(s)}})},b.delay)})}})(jQuery);
+(function(){(function(a){return a.fn.ajaxChosen=function(y,z){var b,v,r,i;b={minLength:3,queryLimit:10,delay:100,chosenOptions:{},searchingText:"Searching...",noresultsText:"No results."};a.extend(b,y);b.chosenOptions.no_results_text=b.searchingText;v=(r=this.attr("multiple")!=null)?".search-field > input":".chzn-search > input";i=this;this.chosen(b.chosenOptions);return this.next(".chzn-container").find(v).bind("keyup",function(){var w=this;this.previousSearch&&clearTimeout(this.previousSearch);
+return this.previousSearch=setTimeout(function(){var q,j,e,s,m;e=a(w);m=a.trim(e.attr("value"));s=(q=e.data("prevVal"))!=null?q:"";e.data("prevVal",m);q=function(){return(r?e.parent().parent().siblings():e.parent().parent()).find(".no-results").html(b.noresultsText+" '"+a(w).attr("value")+"'")};if(m.length<b.minLength||m===s){q();return false}j=i.find("option");if(j.length<b.queryLimit&&m.indexOf(s)===0&&s!==""){q();return false}b.term=m;return z(b,function(t,x){var f,n,g,h,u;if(e.is(":focus")){n=
+[];a.each(t,function(o,c){var d;d=a("<option>");d.attr("value",o).html(c);return n.push(a(d))});g=function(o){var c,d;c=a(o);if(!(c.attr("selected")&&r))if(!(c.attr("value")===""&&c.html()===""&&!r))if(function(){var k,l,p;p=[];k=0;for(l=n.length;k<l;k++){d=n[k];d.attr("value")===c.attr("value")&&p.push(d)}return p}().length===0)return c.remove()};h=0;for(u=j.length;h<u;h++){f=j[h];g(f)}j=i.find("option");g=function(o){var c,d,k,l,p;d=false;k=function(A){if(a(A).attr("value")===o.attr("value"))return d=
+true};l=0;for(p=j.length;l<p;l++){c=j[l];k(c)}if(!d)return i.append(o)};h=0;for(u=n.length;h<u;h++){f=n[h];g(f)}f=e.val();if(a.isEmptyObject(t)){g=a("<option>");g.addClass("no-results");g.html(b.noresultsText+" '"+f+"'").attr("value","");i.append(g)}else i.change();i.trigger("liszt:updated");a(".no-results").removeClass("active-result");e.val(f);if(!a.isEmptyObject(t)){f=a.Event("keydown");f.which=40;e.trigger(f)}if(x)return x(t)}})},b.delay)})}})(jQuery)}).call(this);
diff --git a/src/ajax-chosen.coffee b/src/ajax-chosen.coffee
index 6702563..45659e2 100644
--- a/src/ajax-chosen.coffee
+++ b/src/ajax-chosen.coffee
@@ -129,6 +129,7 @@ https://github.com/bicouy0/ajax-chosen
               do (currentOpt) -> 
                 $currentOpt = $(currentOpt)
                 return if $currentOpt.attr('selected') and multiple
+                return if $currentOpt.attr('value') is '' and $currentOpt.html() is ''  and !multiple #the deselect feature requires an empty entry
                 presenceInNewOptions = (newOption for newOption in newOptions when newOption.attr('value') is $currentOpt.attr('value'))
                 if presenceInNewOptions.length is 0
                   $currentOpt.remove()