diff --git a/dist/angular-dropdowns.js b/dist/angular-dropdowns.js
index e9649e0..72e8702 100644
--- a/dist/angular-dropdowns.js
+++ b/dist/angular-dropdowns.js
@@ -133,7 +133,7 @@ angular.module('ngDropdowns', []).directive('dropdownSelect', [
       var index;
       index = _dropdowns.indexOf(ddEl);
       if (index > -1) {
-        _dropdowns.splice(index, -1);
+        _dropdowns.splice(index, 1);
       }
     };
     service.toggleActive = function(ddEl) {
diff --git a/dist/angular-dropdowns.min.js b/dist/angular-dropdowns.min.js
index b9768f1..f817f68 100644
--- a/dist/angular-dropdowns.min.js
+++ b/dist/angular-dropdowns.min.js
@@ -1 +1 @@
-angular.module("ngDropdowns",[]).directive("dropdownSelect",["DropdownService",function(a){return{restrict:"A",replace:!0,scope:{dropdownSelect:"=",dropdownModel:"=",dropdownOnchange:"&"},controller:["$scope","$element","$attrs",function(b,c,d){b.labelField=null!=d.dropdownItemLabel?d.dropdownItemLabel:"text",a.register(c),this.select=function(a){a!==b.dropdownModel&&angular.copy(a,b.dropdownModel),b.dropdownOnchange({selected:a})},c.bind("click",function(b){b.stopPropagation(),a.toggleActive(c)}),b.$on("$destroy",function(){a.unregister(c)})}],template:"<div class='wrap-dd-select'>\n    <span class='selected'>{{dropdownModel[labelField]}}</span>\n    <ul class='dropdown'>\n        <li ng-repeat='item in dropdownSelect'\n            class='dropdown-item'\n            dropdown-select-item='item'\n            dropdown-item-label='labelField'>\n        </li>\n    </ul>\n</div>"}}]).directive("dropdownSelectItem",[function(){return{require:"^dropdownSelect",replace:!0,scope:{dropdownItemLabel:"=",dropdownSelectItem:"="},link:function(a,b,c,d){a.selectItem=function(){a.dropdownSelectItem.href||d.select(a.dropdownSelectItem)}},template:"<li ng-class='{divider: dropdownSelectItem.divider}'>\n    <a href='' class='dropdown-item'\n        ng-if='!dropdownSelectItem.divider'\n        ng-href='{{dropdownSelectItem.href}}'\n        ng-click='selectItem()'>\n        {{dropdownSelectItem[dropdownItemLabel]}}\n    </a>\n</li>"}}]).directive("dropdownMenu",["$parse","$compile","DropdownService",function(a,b,c){var d;return d="<ul class='dropdown'>\n    <li ng-repeat='item in dropdownMenu'\n        class='dropdown-item'\n        dropdown-item-label='labelField'\n        dropdown-menu-item='item'>\n    </li>\n</ul>",{restrict:"A",replace:!1,scope:{dropdownMenu:"=",dropdownModel:"=",dropdownOnchange:"&"},controller:["$scope","$element","$attrs",function(a,e,f){var g,h,i;a.labelField=null!=f.dropdownItemLabel?f.dropdownItemLabel:"text",g=angular.element(d),g.data("$dropdownMenuController",this),i=b(g)(a),h=angular.element("<div class='wrap-dd-menu'></div>"),e.replaceWith(h),h.append(e),h.append(i),c.register(i),this.select=function(b){b!==a.dropdownModel&&angular.copy(b,a.dropdownModel),a.dropdownOnchange({selected:b})},e.bind("click",function(a){a.stopPropagation(),c.toggleActive(i)}),a.$on("$destroy",function(){c.unregister(i)})}]}}]).directive("dropdownMenuItem",[function(){return{require:"^dropdownMenu",replace:!0,scope:{dropdownMenuItem:"=",dropdownItemLabel:"="},link:function(a,b,c,d){a.selectItem=function(){a.dropdownMenuItem.href||d.select(a.dropdownMenuItem)}},template:"<li ng-class='{divider: dropdownMenuItem.divider}'>\n    <a href='' class='dropdown-item'\n        ng-if='!dropdownMenuItem.divider'\n        ng-href='{{dropdownMenuItem.href}}'\n        ng-click='selectItem()'>\n        {{dropdownMenuItem[dropdownItemLabel]}}\n    </a>\n</li>"}}]).factory("DropdownService",["$document",function(a){var b,c,d;return c={},d=[],b=a.find("body"),b.bind("click",function(){return angular.forEach(d,function(a){a.removeClass("active")})}),c.register=function(a){d.push(a)},c.unregister=function(a){var b;b=d.indexOf(a),b>-1&&d.splice(b,-1)},c.toggleActive=function(a){angular.forEach(d,function(b){b!==a&&b.removeClass("active")}),a.toggleClass("active")},c}]);
\ No newline at end of file
+angular.module("ngDropdowns",[]).directive("dropdownSelect",["DropdownService",function(a){return{restrict:"A",replace:!0,scope:{dropdownSelect:"=",dropdownModel:"=",dropdownOnchange:"&"},controller:["$scope","$element","$attrs",function(b,c,d){b.labelField=null!=d.dropdownItemLabel?d.dropdownItemLabel:"text",a.register(c),this.select=function(a){a!==b.dropdownModel&&angular.copy(a,b.dropdownModel),b.dropdownOnchange({selected:a})},c.bind("click",function(b){b.stopPropagation(),a.toggleActive(c)}),b.$on("$destroy",function(){a.unregister(c)})}],template:"<div class='wrap-dd-select'>\n    <span class='selected'>{{dropdownModel[labelField]}}</span>\n    <ul class='dropdown'>\n        <li ng-repeat='item in dropdownSelect'\n            class='dropdown-item'\n            dropdown-select-item='item'\n            dropdown-item-label='labelField'>\n        </li>\n    </ul>\n</div>"}}]).directive("dropdownSelectItem",[function(){return{require:"^dropdownSelect",replace:!0,scope:{dropdownItemLabel:"=",dropdownSelectItem:"="},link:function(a,b,c,d){a.selectItem=function(){a.dropdownSelectItem.href||d.select(a.dropdownSelectItem)}},template:"<li ng-class='{divider: dropdownSelectItem.divider}'>\n    <a href='' class='dropdown-item'\n        ng-if='!dropdownSelectItem.divider'\n        ng-href='{{dropdownSelectItem.href}}'\n        ng-click='selectItem()'>\n        {{dropdownSelectItem[dropdownItemLabel]}}\n    </a>\n</li>"}}]).directive("dropdownMenu",["$parse","$compile","DropdownService",function(a,b,c){var d;return d="<ul class='dropdown'>\n    <li ng-repeat='item in dropdownMenu'\n        class='dropdown-item'\n        dropdown-item-label='labelField'\n        dropdown-menu-item='item'>\n    </li>\n</ul>",{restrict:"A",replace:!1,scope:{dropdownMenu:"=",dropdownModel:"=",dropdownOnchange:"&"},controller:["$scope","$element","$attrs",function(a,e,f){var g,h,i;a.labelField=null!=f.dropdownItemLabel?f.dropdownItemLabel:"text",g=angular.element(d),g.data("$dropdownMenuController",this),i=b(g)(a),h=angular.element("<div class='wrap-dd-menu'></div>"),e.replaceWith(h),h.append(e),h.append(i),c.register(i),this.select=function(b){b!==a.dropdownModel&&angular.copy(b,a.dropdownModel),a.dropdownOnchange({selected:b})},e.bind("click",function(a){a.stopPropagation(),c.toggleActive(i)}),a.$on("$destroy",function(){c.unregister(i)})}]}}]).directive("dropdownMenuItem",[function(){return{require:"^dropdownMenu",replace:!0,scope:{dropdownMenuItem:"=",dropdownItemLabel:"="},link:function(a,b,c,d){a.selectItem=function(){a.dropdownMenuItem.href||d.select(a.dropdownMenuItem)}},template:"<li ng-class='{divider: dropdownMenuItem.divider}'>\n    <a href='' class='dropdown-item'\n        ng-if='!dropdownMenuItem.divider'\n        ng-href='{{dropdownMenuItem.href}}'\n        ng-click='selectItem()'>\n        {{dropdownMenuItem[dropdownItemLabel]}}\n    </a>\n</li>"}}]).factory("DropdownService",["$document",function(a){var b,c,d;return c={},d=[],b=a.find("body"),b.bind("click",function(){return angular.forEach(d,function(a){a.removeClass("active")})}),c.register=function(a){d.push(a)},c.unregister=function(a){var b;b=d.indexOf(a),b>-1&&d.splice(b,1)},c.toggleActive=function(a){angular.forEach(d,function(b){b!==a&&b.removeClass("active")}),a.toggleClass("active")},c}]);
\ No newline at end of file
diff --git a/scripts/dropdowns.js b/scripts/dropdowns.js
index e9649e0..72e8702 100644
--- a/scripts/dropdowns.js
+++ b/scripts/dropdowns.js
@@ -133,7 +133,7 @@ angular.module('ngDropdowns', []).directive('dropdownSelect', [
       var index;
       index = _dropdowns.indexOf(ddEl);
       if (index > -1) {
-        _dropdowns.splice(index, -1);
+        _dropdowns.splice(index, 1);
       }
     };
     service.toggleActive = function(ddEl) {
diff --git a/src/dropdowns.coffee b/src/dropdowns.coffee
index de96d32..5747f30 100644
--- a/src/dropdowns.coffee
+++ b/src/dropdowns.coffee
@@ -185,7 +185,7 @@ angular.module('ngDropdowns', [])
 
     service.unregister = (ddEl) ->
         index = _dropdowns.indexOf(ddEl)
-        _dropdowns.splice(index, -1) if index > -1
+        _dropdowns.splice(index, 1) if index > -1
         return
 
     service.toggleActive = (ddEl) ->