diff --git a/packages/shared/src/index.ts b/packages/shared/src/index.ts
index c3bef857..2fe1380d 100644
--- a/packages/shared/src/index.ts
+++ b/packages/shared/src/index.ts
@@ -2,6 +2,7 @@ export const READER_ACCEPTED_EXTENSIONS = {
   "text/plain": [".txt"],
   "application/x-cbz": [".cbz"],
   "application/zip": [".epub", ".zip"],
+  "application/x-zip-compressed": [".epub", ".zip"],
   "application/epub+zip": [".epub", ".zip"],
   "application/x-cbr": [".cbr"],
   "application/x-rar": [".cbr"]