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 ceec0269e..2c1431a13 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
@@ -6,7 +6,7 @@
         <pngx-clearable-badge [selected]="isActive" (cleared)="reset()"></pngx-clearable-badge>
       }
     </button>
-    <div class="px-3 shadow" ngbDropdownMenu attr.aria-labelledby="dropdown_{{name}}">
+    <div [id]="dropdownMenuId" class="px-3 shadow" ngbDropdownMenu attr.aria-labelledby="dropdown_{{name}}">
       <ng-container *ngTemplateOutlet="list; context: { queries: selectionModel.queries }"></ng-container>
     </div>
   </div>
@@ -64,10 +64,11 @@
       [disabled]="disabled"
       [virtualScroll]="getSelectOptionsForField(atom.field)?.length > 100"
       [searchFn]="selectOptionSearchFn"
+      [appendTo]="selectAppendTo"
       (mousedown)="$event.stopImmediatePropagation()"
     ></ng-select>
   } @else if (getCustomFieldByID(atom.field)?.data_type === CustomFieldDataType.DocumentLink) {
-    <pngx-input-document-link [(ngModel)]="atom.value" class="w-25 form-select doc-link-select p-0" placeholder="Search docs..." i18n-placeholder [minimal]="true"></pngx-input-document-link>
+    <pngx-input-document-link [(ngModel)]="atom.value" class="w-25 form-select doc-link-select p-0" placeholder="Search docs..." i18n-placeholder [minimal]="true" [appendTo]="selectAppendTo"></pngx-input-document-link>
   } @else if (getCustomFieldByID(atom.field)?.data_type === CustomFieldDataType.Monetary) {
     <input class="w-25 form-control rounded-end" type="text" inputmode="decimal"
       [ngModel]="atom.value"
@@ -88,6 +89,7 @@
       bindLabel="name"
       bindValue="id"
       [searchFn]="customFieldSearchFn"
+      [appendTo]="selectAppendTo"
       (mousedown)="$event.stopImmediatePropagation()"
     ></ng-select>
     <select class="w-25 form-select" [(ngModel)]="atom.operator" [disabled]="disabled">
@@ -121,7 +123,7 @@
         <ng-container *ngTemplateOutlet="comparisonValueTemplate; context: { atom: atom }"></ng-container>
       }
       @case (CustomFieldQueryOperator.Contains) {
-        <pngx-input-document-link [(ngModel)]="atom.value" class="w-25 form-select doc-link-select p-0" placeholder="Search docs..." i18n-placeholder [minimal]="true"></pngx-input-document-link>
+        <pngx-input-document-link [(ngModel)]="atom.value" class="w-25 form-select doc-link-select p-0" placeholder="Search docs..." i18n-placeholder [minimal]="true" [appendTo]="selectAppendTo"></pngx-input-document-link>
       }
       @case (CustomFieldQueryOperator.In) {
         <ng-select
@@ -133,6 +135,7 @@
           [disabled]="disabled"
           [multiple]="true"
           [searchFn]="selectOptionSearchFn"
+          [appendTo]="selectAppendTo"
           (mousedown)="$event.stopImmediatePropagation()"
         ></ng-select>
       }
diff --git a/src-ui/src/app/components/common/custom-fields-query-dropdown/custom-fields-query-dropdown.component.ts b/src-ui/src/app/components/common/custom-fields-query-dropdown/custom-fields-query-dropdown.component.ts
index 47f0955b9..121e396e1 100644
--- a/src-ui/src/app/components/common/custom-fields-query-dropdown/custom-fields-query-dropdown.component.ts
+++ b/src-ui/src/app/components/common/custom-fields-query-dropdown/custom-fields-query-dropdown.component.ts
@@ -1,3 +1,4 @@
+import { _IdGenerator } from '@angular/cdk/a11y'
 import {
   getLocaleNumberSymbol,
   NgClass,
@@ -250,6 +251,18 @@ export class CustomFieldsQueryDropdownComponent extends LoadingComponentWithPerm
   @Input()
   useDropdown: boolean = true
 
+  private readonly idGenerator = inject(_IdGenerator)
+  public readonly dropdownMenuId = this.idGenerator.getId(
+    'pngx-custom-fields-query-dropdown-'
+  )
+
+  /**
+   * Keep ng-select dropdown panels inside the dropdown menu
+   */
+  get selectAppendTo(): string {
+    return this.useDropdown ? `#${this.dropdownMenuId}` : null
+  }
+
   get name(): string {
     return this.title ? this.title.replace(/\s/g, '_').toLowerCase() : null
   }
diff --git a/src-ui/src/app/components/common/input/document-link/document-link.component.html b/src-ui/src/app/components/common/input/document-link/document-link.component.html
index f60420791..a3c1aeedc 100644
--- a/src-ui/src/app/components/common/input/document-link/document-link.component.html
+++ b/src-ui/src/app/components/common/input/document-link/document-link.component.html
@@ -33,6 +33,7 @@
     [compareWith]="compareDocuments"
     [trackByFn]="trackByFn"
     [minTermLength]="2"
+    [appendTo]="appendTo"
     [loading]="loading()"
     [typeahead]="documentsInput$"
     (mousedown)="$event.stopImmediatePropagation()"
diff --git a/src-ui/src/app/components/common/input/document-link/document-link.component.ts b/src-ui/src/app/components/common/input/document-link/document-link.component.ts
index 4209bb9d0..fb8106d1d 100644
--- a/src-ui/src/app/components/common/input/document-link/document-link.component.ts
+++ b/src-ui/src/app/components/common/input/document-link/document-link.component.ts
@@ -81,6 +81,12 @@ export class DocumentLinkComponent
   @Input()
   placeholder: string = $localize`Search for documents`
 
+  /**
+   * Parent for ng-select dropdown, needed to prevent close on click.
+   */
+  @Input()
+  appendTo: string = null
+
   get selectedDocumentIDs(): number[] {
     return this.selectedDocuments.map((d) => d.id)
   }