diff --git a/lisp/gnus/mml-smime.el b/lisp/gnus/mml-smime.el
index 9218bc079db..07d72edf3a3 100644
--- a/lisp/gnus/mml-smime.el
+++ b/lisp/gnus/mml-smime.el
@@ -24,8 +24,7 @@
 
 ;;; Code:
 
-(eval-when-compile (require 'cl-lib))
-
+(require 'cl-lib)
 (require 'smime)
 (require 'mm-decode)
 (require 'mml-sec)