diff --git a/packages/shorebird_cli/lib/src/aab/aab_differ.dart b/packages/shorebird_cli/lib/src/aab/aab_differ.dart
index f10d14b1..8d473c69 100644
--- a/packages/shorebird_cli/lib/src/aab/aab_differ.dart
+++ b/packages/shorebird_cli/lib/src/aab/aab_differ.dart
@@ -70,7 +70,7 @@ class AabDiffer {
     final archive = ZipDecoder().decodeBuffer(inputStream);
     return utf8.decode(
       archive.files
-          .firstWhere((file) => file.name == p.join('META-INF', 'MANIFEST.MF'))
+          .firstWhere((file) => file.name == 'META-INF/MANIFEST.MF')
           .content as List<int>,
     );
   }