diff --git a/lib/api/controllers/migration/importFromHTMLFile.ts b/lib/api/controllers/migration/importFromHTMLFile.ts
index b2b58a1..59a2787 100644
--- a/lib/api/controllers/migration/importFromHTMLFile.ts
+++ b/lib/api/controllers/migration/importFromHTMLFile.ts
@@ -63,7 +63,8 @@ async function processBookmarks(
         ) as Element;
 
         if (collectionName) {
-          const collectionNameContent = (collectionName.children[0] as TextNode)?.content;
+          const collectionNameContent = (collectionName.children[0] as TextNode)
+            ?.content;
           if (collectionNameContent) {
             collectionId = await createCollection(
               userId,
@@ -274,4 +275,3 @@ function processNodes(nodes: Node[]) {
   nodes.forEach(findAndProcessDL);
   return nodes;
 }
-
diff --git a/lib/client/getPublicCollectionData.ts b/lib/client/getPublicCollectionData.ts
index 283733b..a8a74a3 100644
--- a/lib/client/getPublicCollectionData.ts
+++ b/lib/client/getPublicCollectionData.ts
@@ -9,6 +9,9 @@ const getPublicCollectionData = async (
 ) => {
   const res = await fetch("/api/v1/public/collections/" + collectionId);
 
+  if (res.status === 400)
+    return { response: "Collection not found.", status: 400 };
+
   const data = await res.json();
 
   setData(data.response);
diff --git a/next-i18next.config.js b/next-i18next.config.js
index 06c3d23..b78b3b8 100644
--- a/next-i18next.config.js
+++ b/next-i18next.config.js
@@ -2,7 +2,7 @@
 module.exports = {
   i18n: {
     defaultLocale: "en",
-    locales: ["en","it"],
+    locales: ["en", "it"],
   },
   reloadOnPrerender: process.env.NODE_ENV === "development",
 };
diff --git a/pages/public/collections/[id].tsx b/pages/public/collections/[id].tsx
index c2229dc..ab7fd42 100644
--- a/pages/public/collections/[id].tsx
+++ b/pages/public/collections/[id].tsx
@@ -71,7 +71,13 @@ export default function PublicCollections() {
 
   useEffect(() => {
     if (router.query.id) {
-      getPublicCollectionData(Number(router.query.id), setCollection);
+      getPublicCollectionData(Number(router.query.id), setCollection).then(
+        (res) => {
+          if (res.status === 400) {
+            router.push("/dashboard");
+          }
+        }
+      );
     }
   }, [collections]);