diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 54ed905..0ea1a65 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -56,6 +56,7 @@ jobs:
 
       - name: run tests
         run: |
+          export PATH="$HOME/.nix-profile/bin:$PATH"
           cd "$GITHUB_WORKSPACE"
           sbcl --disable-debugger --no-userinit \
                --load "$HOME/quicklisp/setup.lisp" \