diff --git a/src/code/float-trap.lisp b/src/code/float-trap.lisp
index db0a9c41bf2b2e1b9f58aa332af643471a94c3ff..a736e0d40c3b1db93e7949d95db615426bd5f294 100644
--- a/src/code/float-trap.lisp
+++ b/src/code/float-trap.lisp
@@ -121,7 +121,7 @@
     new-mode)
   )
 
-#(and sse2 darwin)
+#+(and sse2 darwin)
 (progn
   (defun floating-point-modes ()
     ;; Get just the SSE2 mode bits.