diff --git a/circle.yml b/circle.yml
index 55d382a..5d1e4a0 100644
--- a/circle.yml
+++ b/circle.yml
@@ -1,7 +1,7 @@
 machine:
   environment:
-    LISP=sbcl
-    PATH=~/.roswell/bin:$PATH
+    - LISP=sbcl
+    - PATH=~/.roswell/bin:$PATH
 
 checkout:
   pre: