1 files changed, 3 insertions, 0 deletions

diff --git a/argv.c b/argv.c
index aa47ac64..61f9e06b 100644
--- a/argv.c
+++ b/argv.c
@@ -293,6 +293,9 @@ mdoc_argv_free(struct mdoc_arg *p)
 {
 	int		 i, j;
 
+	if (NULL == p)
+		return;
+
 	if (p->refcnt) {
 		--(p->refcnt);
 		if (p->refcnt)