Do not try to parse command when unsetting, GitHub issue 1788.

1 files changed, 1 insertions, 1 deletions

diff --git a/options.c b/options.c
index 7d79cf30..26ce3b6f 100644
--- a/options.c
+++ b/options.c
@@ -361,7 +361,7 @@ options_array_set(struct options_entry *o, u_int idx, const char *value,
 		return (-1);
 	}
 
-	if (OPTIONS_IS_COMMAND(o)) {
+	if (OPTIONS_IS_COMMAND(o) && value != NULL) {
 		pr = cmd_parse_from_string(value, NULL);
 		switch (pr->status) {
 		case CMD_PARSE_EMPTY: