diff -up ./sysctl.c.ori ./sysctl.c
--- ./sysctl.c.ori 2018-01-04 16:56:26.705925767 +0100
+++ ./sysctl.c 2018-01-04 16:56:40.365877248 +0100
@@ -379,7 +379,7 @@ static int WriteSetting(const char *sett
/* point to the value in name=value */
value = equals + 1;
- if (!*name || !*value || name == equals) {
+ if (!*name || name == equals) {
xwarnx(_("malformed setting \"%s\""), setting);
return -2;
}