diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ea2a67c..1323a2d 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -36,5 +36,5 @@ jobs:
               with:
                   upload_url: ${{ steps.create_release.outputs.upload_url }}
                   asset_path: ./egos.iso
-                  asset_name: egos-v${{ github.run_number }}.img
+                  asset_name: egos-v${{ github.run_number }}.iso
                   asset_content_type: application/octet-stream