diff --git a/yasnippet.el b/yasnippet.el
index 4112a2e..6af0296 100644
--- a/yasnippet.el
+++ b/yasnippet.el
@@ -1836,10 +1836,10 @@ handle the end-of-buffer error fired in it by calling
                           (<= (aref key 0) (+ ?0 (min 9 candidate-count))))
                      (setq selection (- (aref key 0) ?1)
                            done      t))
-                    ((member key `(,(char-to-string ?\C-p) [up]))
+                    ((member key `(,(char-to-string ?\C-p) [up] "p"))
                      (setq selidx (mod (+ candidate-count (1- (or selidx 0)))
                                        candidate-count)))
-                    ((member key `(,(char-to-string ?\C-n) [down]))
+                    ((member key `(,(char-to-string ?\C-n) [down] "n"))
                      (setq selidx (mod (1+ (or selidx -1)) candidate-count)))
                     ((member key `(,(char-to-string ?\f))))
                     ((member key `(,(char-to-string ?\r) [return]))