diff --git a/.travis.yml b/.travis.yml
index cc600691b7300cc95f65d6e6e1c14d8587aa896c..86e6d84edfbef6448f02e419cef90f0efd939319 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -17,8 +17,8 @@ script:
- outs=$(nix-build non-broken.nix) && echo Produced $outs
- nix eval -f default.nix 'lib'
- nix eval -f default.nix 'modules'
+
language: nix
- global:
after_success:
- if [ -n "${CACHIX_CACHE}" ]; then cachix push "${CACHIX_CACHE}" $outs; fi