diff --git a/net.retrodeck.retrodeck.yml b/net.retrodeck.retrodeck.yml
index a3fd548d..26bb737b 100644
--- a/net.retrodeck.retrodeck.yml
+++ b/net.retrodeck.retrodeck.yml
@@ -713,6 +713,7 @@ modules:
   - name: retrodeck-mame
     buildsystem: simple
     build-commands:
+      - rm -f files/manifest.json
       - cp -rn files/* ${FLATPAK_DEST}
     sources:
       - type: archive