diff --git a/src-ui/src/app/components/common/custom-fields-query-dropdown/custom-fields-query-dropdown.component.html b/src-ui/src/app/components/common/custom-fields-query-dropdown/custom-fields-query-dropdown.component.html
index b23486bf3..834754cc8 100644
--- a/src-ui/src/app/components/common/custom-fields-query-dropdown/custom-fields-query-dropdown.component.html
+++ b/src-ui/src/app/components/common/custom-fields-query-dropdown/custom-fields-query-dropdown.component.html
@@ -41,6 +41,7 @@
 <ng-template #queryAtom let-atom="atom">
   <div class="input-group input-group-sm">
     <ng-select
+      class="paperless-input-select"
       [items]="customFields"
       [(ngModel)]="atom.field"
       [disabled]="disabled"