diff --git a/src/lib/data/Mangas.ts b/src/lib/data/Mangas.ts
index 91ad953c..2ece0b87 100644
--- a/src/lib/data/Mangas.ts
+++ b/src/lib/data/Mangas.ts
@@ -506,6 +506,7 @@ export class Mangas {
                         migrateChapters,
                         migrateCategories,
                         migrateTracking,
+                        apolloOptions: { errorPolicy: 'all' },
                     }).response,
                     getMetadataServerSettings(),
                 ]);
@@ -514,13 +515,14 @@ export class Mangas {
                 throw new Error('Mangas::migrate: missing manga data');
             }
 
-            if (
-                migrateChapters &&
-                (!mangaToMigrateData.manga.chapters || !mangaToMigrateToData.fetchChapters?.chapters)
-            ) {
+            if (migrateChapters && !mangaToMigrateData.manga.chapters) {
                 throw new Error('Mangas::migrate: missing chapters data');
             }
 
+            if (!mangaToMigrateToData.fetchChapters?.chapters) {
+                mangaToMigrateToData.fetchChapters = { chapters: [] };
+            }
+
             const performMigrationAction = async (
                 migrateAction: keyof MigrateFuncReturn,
                 ...actions: [boolean | undefined, MigrateFuncReturn][]