1 files changed, 1 insertions, 1 deletions

diff --git a/mbbsd/user.c b/mbbsd/user.c
index 9cd8a3fb..d8816c6e 100644
--- a/mbbsd/user.c
+++ b/mbbsd/user.c
@@ -310,7 +310,7 @@ void Customize(void)
 #endif
 	    key = getkey("½Ð«ö [A-%c] ¤Á´«³]©w¡A«ö [Return] µ²§ô¡G", maxc);
 
-	switch (key) {
+	switch (tolower(key)) {
 	case 'a':{
 	    int     currentset = cuser.uflag2 & WATER_MASK;
 	    currentset = (currentset + 1) % 3;