diff --git a/.travis.yml b/.travis.yml
index 3c52c650c4c5a3cce00a1a247eaa7c1c016fe8a1..b3b807ad94ce2a6078d3c040d968c72eff4f5e63 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,8 +11,8 @@ matrix:
include:
- env: NIX_CHANNEL=https://nixos.org/channels/nixpkgs-unstable
- env: NIX_CHANNEL=https://nixos.org/channels/nixos-unstable
-language: nix
+ include:
install:
- nix --version