1 files changed, 1 insertions, 1 deletions

diff --git a/slock.c b/slock.c
index d55eb3d..5ae738c 100644
--- a/slock.c
+++ b/slock.c
@@ -177,7 +177,7 @@ readpw(Display *dpy, struct xrandr *rr, struct lock **locks, int nscreens,
                                 break;
                         case XK_BackSpace:
                                 if (len)
-                                        passwd[len--] = '\0';
+                                        passwd[--len] = '\0';
                                 break;
                         default:
                                 if (num && !iscntrl((int)buf[0]) &&