diff --git a/.forgejo/workflows/CI.yml b/.forgejo/workflows/CI.yml
index 6ca5aa9..87a7139 100644
--- a/.forgejo/workflows/CI.yml
+++ b/.forgejo/workflows/CI.yml
@@ -15,6 +15,9 @@ jobs:
         lisp:
           - sbcl-bin
 
+    env:
+      LISP: ${{ matrix.lisp }}
+
     steps:
       - uses: actions/checkout@v4