diff --git a/.travis.yml b/.travis.yml
index abfa8c30d..6a47fc1d7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,7 +3,7 @@ nix: 2.2.2
 env:
   - NIX_PATH="nixpkgs=${TRAVIS_BUILD_DIR}"
 before_script:
-  - nix-env -f '<nixpkgs>' -iA cachix
+  - nix-env -f '<nixpkgs>' -iA third_party.cachix
   - cachix use tazjin
 script:
   # All of my own tools are under the top-level 'tazjin' attribute