1 files changed, 1 insertions, 2 deletions
diff --git a/xkb/maprules.c b/xkb/maprules.c
index f94089982..a14fbbb2a 100644
--- a/xkb/maprules.c
+++ b/xkb/maprules.c
@@ -250,8 +250,7 @@ get_index(char *str, int *ndx)
        *ndx = -1;
        return end + 1;
    }
-   strncpy(ndx_buf, str, end - str);
-   ndx_buf[end - str] = '\0';
+   strlcpy(ndx_buf, str, 1 + end - str);
    *ndx = atoi(ndx_buf);
    return end + 1;
 }