diff --git a/client/core/src/drop-down/drop-down.html b/client/core/src/drop-down/drop-down.html
index 04cdffc75..c8971a551 100644
--- a/client/core/src/drop-down/drop-down.html
+++ b/client/core/src/drop-down/drop-down.html
@@ -1,4 +1,4 @@
-<vn-vertical class="dropdown-body" ng-show="$ctrl.show">
+<vn-vertical class="dropdown-body" ng-if="$ctrl.show">
     <vn-auto ng-show="$ctrl.filter" class="filter">
         <vn-horizontal>
             <input vn-one placeholder="{{'Search' | translate}}" type="text" ng-model="$ctrl.search"/>
diff --git a/client/core/src/drop-down/drop-down.js b/client/core/src/drop-down/drop-down.js
index e8227858a..ac99fe7d2 100644
--- a/client/core/src/drop-down/drop-down.js
+++ b/client/core/src/drop-down/drop-down.js
@@ -7,13 +7,16 @@ export default class DropDown {
         this.$filter = $filter;
         this.$timeout = $timeout;
 
-        this.container = $element[0].querySelector('ul.dropdown');
         this._search = null;
         this.itemsFiltered = [];
         this._activeOption = -1;
         this._focusingFilter = false;
         this._tryToShow = 0;
     }
+
+    get container() {
+        return this.$element[0].querySelector('ul.dropdown');
+    }
     get show() {
         return this._show;
     }
@@ -70,12 +73,15 @@ export default class DropDown {
 
     _setFocusInFilterInput(value, oldValue) {
         if (value && !this._focusingFilter && oldValue !== value && this.filter) {
-            let inputFilterSearch = this.$element[0].querySelector('input');
-            this._focusingFilter = true;
             this.$timeout(() => {
-                inputFilterSearch.focus();
-                this._focusingFilter = false;
-            }, 250);
+                let inputFilterSearch = this.$element[0].querySelector('input');
+                this._focusingFilter = true;
+                if (inputFilterSearch)
+                    this.$timeout(() => {
+                        inputFilterSearch.focus();
+                        this._focusingFilter = false;
+                    }, 250);
+            });
         }
     }
     _background(create) {
@@ -184,10 +190,12 @@ export default class DropDown {
     }
     setScrollPosition() {
         let child = this.$element[0].querySelector('ul.dropdown li.active');
-        let childRect = child.getBoundingClientRect();
-        let containerRect = this.container.getBoundingClientRect();
-        if (typeof child.scrollIntoView === 'function' && (childRect.top > containerRect.top + containerRect.height || childRect.top < containerRect.top)) {
-            child.scrollIntoView();
+        if (child) {
+            let childRect = child.getBoundingClientRect();
+            let containerRect = this.container.getBoundingClientRect();
+            if (typeof child.scrollIntoView === 'function' && (childRect.top > containerRect.top + containerRect.height || childRect.top < containerRect.top)) {
+                child.scrollIntoView();
+            }
         }
     }
     selectItem(item) {