diff --git a/copyparty/web/deps/busy.mp3.gz b/copyparty/web/deps/busy.mp3.gz
new file mode 100644
index 00000000..f25b20e5
Binary files /dev/null and b/copyparty/web/deps/busy.mp3.gz differ
diff --git a/scripts/deps-docker/Dockerfile b/scripts/deps-docker/Dockerfile
index 870b4195..99a0f773 100644
--- a/scripts/deps-docker/Dockerfile
+++ b/scripts/deps-docker/Dockerfile
@@ -13,8 +13,6 @@ COPY    build.sh /z/
 RUN     /z/build.sh download
 RUN     /z/build.sh unpack
 
-COPY    busy-mp3.sh /z/
-RUN     /z/build.sh build busy-mp3
 
 # build fonttools (which needs zopfli)
 RUN     /z/build.sh build fonttools
diff --git a/scripts/deps-docker/genprism.sh b/scripts/deps-docker/genprism.sh
index 95aab73b..97a36b62 100755
--- a/scripts/deps-docker/genprism.sh
+++ b/scripts/deps-docker/genprism.sh
@@ -188,7 +188,7 @@ langs=(
     # nevod
     # nginx
     nim
-    # nix
+    nix
     # nsis
     objectivec
     # ocaml