diff --git a/app/components/DocumentBreadcrumb.tsx b/app/components/DocumentBreadcrumb.tsx
index 974c7cb42..e087c38f8 100644
--- a/app/components/DocumentBreadcrumb.tsx
+++ b/app/components/DocumentBreadcrumb.tsx
@@ -86,11 +86,7 @@ const DocumentBreadcrumb: React.FC<Props> = ({
     };
   }
 
-  const path = React.useMemo(
-    () => collection?.pathToDocument(document.id).slice(0, -1) || [],
-    // eslint-disable-next-line react-hooks/exhaustive-deps
-    [collection, document, document.collectionId, document.parentDocumentId]
-  );
+  const path = document.pathTo;
 
   const items = React.useMemo(() => {
     const output = [];
@@ -103,7 +99,7 @@ const DocumentBreadcrumb: React.FC<Props> = ({
       output.push(collectionNode);
     }
 
-    path.forEach((node: NavigationNode) => {
+    path.slice(0, -1).forEach((node: NavigationNode) => {
       output.push({
         type: "route",
         title: node.emoji ? (
diff --git a/app/models/Document.ts b/app/models/Document.ts
index e13bf02eb..adaf0071e 100644
--- a/app/models/Document.ts
+++ b/app/models/Document.ts
@@ -11,9 +11,11 @@ import DocumentsStore from "~/stores/DocumentsStore";
 import User from "~/models/User";
 import { client } from "~/utils/ApiClient";
 import { settingsPath } from "~/utils/routeHelpers";
+import Collection from "./Collection";
 import View from "./View";
 import ParanoidModel from "./base/ParanoidModel";
 import Field from "./decorators/Field";
+import Relation from "./decorators/Relation";
 
 type SaveOptions = {
   publish?: boolean;
@@ -59,6 +61,12 @@ export default class Document extends ParanoidModel {
   @observable
   collectionId?: string | null;
 
+  /**
+   * The comment that this comment is a reply to.
+   */
+  @Relation(() => Collection, { onDelete: "cascade" })
+  collection?: Collection;
+
   /**
    * The text content of the document as Markdown.
    */
@@ -276,6 +284,11 @@ export default class Document extends ParanoidModel {
     return floor((this.tasks.completed / this.tasks.total) * 100);
   }
 
+  @computed
+  get pathTo() {
+    return this.collection?.pathToDocument(this.id) ?? [];
+  }
+
   get titleWithDefault(): string {
     return this.title || i18n.t("Untitled");
   }