1 files changed, 2 insertions, 2 deletions

diff --git a/lisp/calendar/cal-coptic.el b/lisp/calendar/cal-coptic.el
index f33e80d6991..df1201a23c4 100644
--- a/lisp/calendar/cal-coptic.el
+++ b/lisp/calendar/cal-coptic.el
@@ -151,14 +151,14 @@ Echo Coptic date unless NOECHO is t."
                   (calendar-coptic-from-absolute
                    (calendar-absolute-from-gregorian today))))))
          (completion-ignore-case t)
-         (month (cdr (assoc-ignore-case
+         (month (cdr (assoc-string
                       (completing-read
                        (format "%s calendar month name: " coptic-name)
                        (mapcar 'list
                                (append coptic-calendar-month-name-array nil))
                        nil t)
                       (calendar-make-alist coptic-calendar-month-name-array
-                                           1))))
+                                           1) t)))
          (last (coptic-calendar-last-day-of-month month year))
          (day (calendar-read
                (format "%s calendar day (1-%d): " coptic-name last)