diff --git a/site-lisp/db-utils.el b/site-lisp/db-utils.el
index b8d0122..81ed41d 100644
--- a/site-lisp/db-utils.el
+++ b/site-lisp/db-utils.el
@@ -247,6 +247,7 @@ Will print a warning in case of failure."
 Assumes that NEW-VALUE points to a directory, and certificates
 are assumed to be of the form *.crt."
   (set symbol new-value)
+  (require 'gnutls)
   (when (file-directory-p new-value)
     (dolist (cert-file (directory-files new-value t ".crt$"))
       (add-to-list 'gnutls-trustfiles cert-file))))