diff --git a/virtweb_backend/src/constants.rs b/virtweb_backend/src/constants.rs
index 381b6e2..56d998f 100644
--- a/virtweb_backend/src/constants.rs
+++ b/virtweb_backend/src/constants.rs
@@ -17,10 +17,11 @@ pub const ROUTES_WITHOUT_AUTH: [&str; 5] = [
 ];
 
 /// Allowed ISO mimetypes
-pub const ALLOWED_ISO_MIME_TYPES: [&str; 3] = [
+pub const ALLOWED_ISO_MIME_TYPES: [&str; 4] = [
     "application/x-cd-image",
     "application/x-iso9660-image",
     "application/octet-stream",
+    "application/vnd.efi.iso",
 ];
 
 /// ISO max size