diff --git a/fset.asd b/fset.asd
index 4bbf4cf..f11faf8 100644
--- a/fset.asd
+++ b/fset.asd
@@ -33,11 +33,11 @@ See: https://gitlab.common-lisp.net/fset/fset/-/wikis/home
 	     (:file "fset")
 	     (:file "replay")
 	     (:file "tuples")
-	     (:file "testing")
 	     (:file "interval")
 	     (:file "relations")
 	     (:file "complement-sets")
 	     (:file "bounded-sets")
+	     (:file "testing")
 	     #+swank
 	     (:file "swank")
              #+lispworks