diff --git a/src/strings.c b/src/strings.c
index 37f52fe248..b47422c114 100644
--- a/src/strings.c
+++ b/src/strings.c
@@ -2849,6 +2849,9 @@ vim_snprintf_safelen(char *str, size_t str_m, const char *fmt, ...)
     va_list ap;
     int	    str_l;
 
+    if (str_m == 0)
+	return 0;
+
     va_start(ap, fmt);
     str_l = vim_vsnprintf_typval(str, str_m, fmt, ap, NULL);
     va_end(ap);
diff --git a/src/version.c b/src/version.c
index a542cb79d6..de8f408dd3 100644
--- a/src/version.c
+++ b/src/version.c
@@ -734,6 +734,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    233,
 /**/
     232,
 /**/