1 files changed, 2 insertions, 2 deletions

diff --git a/lisp/emacs-lisp/find-func.el b/lisp/emacs-lisp/find-func.el
index 40016cec928..6186577079e 100644
--- a/lisp/emacs-lisp/find-func.el
+++ b/lisp/emacs-lisp/find-func.el
@@ -125,8 +125,8 @@ See the functions `find-function' and `find-variable'."
       (setq library (replace-match "" t t library 1)))
   (or (locate-file library
                    (or find-function-source-path load-path)
-                   (find-library-suffixes))
-      (error "Can't find library %s" file)))
+                   (append (find-library-suffixes) ""))
+      (error "Can't find library %s" library)))
 
 ;;;###autoload
 (defun find-library (library)