diff --git a/src/lib/filtering/popup-filter/popup-filter.component.html b/src/lib/filtering/popup-filter/popup-filter.component.html
index f583076..3a9468f 100644
--- a/src/lib/filtering/popup-filter/popup-filter.component.html
+++ b/src/lib/filtering/popup-filter/popup-filter.component.html
@@ -107,7 +107,7 @@
         <mat-checkbox
             (click)="filterCheckboxClicked($event, filter, filterGroup)"
             [checked]="filter.checked"
-            [id]="'filter-checkbox-' + filter.id.replaceAll(' ', '-').replaceAll('.', '-')"
+            [id]="'filter-checkbox-' + (filter.id ? filter.id.replaceAll(' ', '-').replaceAll('.', '-') : 'none')"
             [indeterminate]="filter.indeterminate"
             class="filter-menu-checkbox"
         >