diff --git a/src-ui/src/app/components/document-list/document-list.component.ts b/src-ui/src/app/components/document-list/document-list.component.ts
index fde92973d..537e24601 100644
--- a/src-ui/src/app/components/document-list/document-list.component.ts
+++ b/src-ui/src/app/components/document-list/document-list.component.ts
@@ -86,7 +86,7 @@ export class DocumentListComponent
   }
 
   get isFiltered() {
-    return this.filterEditor.rulesModified
+    return !!this.filterEditor?.rulesModified
   }
 
   getTitle() {