diff --git a/src/input_win.c b/src/input_win.c
index 87ceb7f1..7dddeba2 100644
--- a/src/input_win.c
+++ b/src/input_win.c
@@ -188,10 +188,8 @@ inp_get_char(char *input, int *size)
 
             // otherwise just append
             } else {
-                mbstate_t state;
-                memset(&state, '\0', sizeof (state));
-                char bytes[5];
-                size_t utf_len = wcrtomb(bytes, ch, &state);
+                char bytes[MB_CUR_MAX];
+                size_t utf_len = wcrtomb(bytes, ch, NULL);
                 int i;
                 for (i = 0 ; i < utf_len; i++) {
                     input[(*size)++] = bytes[i];