diff --git a/ansi-tests/universe.lsp b/ansi-tests/universe.lsp
index 8d38ad2c9938b543d300dd7022c7eaf3f2641247..cd6ecd23451a4917ef56337d053745ba5ef75cf3 100644
--- a/ansi-tests/universe.lsp
+++ b/ansi-tests/universe.lsp
@@ -456,7 +456,8 @@
 
 (eval-when (:load-toplevel :execute)
   (compile 'meaningless-user-function-for-universe)
-  (compile 'meaningless-user-generic-function-for-universe)
+  ;; Conditionalize to avoid a cmucl bug
+  #-cmu (compile 'meaningless-user-generic-function-for-universe)
   )
 
 (defparameter *functions*