diff --git a/sys/netgraph/ng_parse.c b/sys/netgraph/ng_parse.c
index 75d3b5dd3856..54488ef35ae1 100644
--- a/sys/netgraph/ng_parse.c
+++ b/sys/netgraph/ng_parse.c
@@ -1214,7 +1214,8 @@ ng_parse_composite(const struct ng_parse_type *type, const char *s,
 	/* Done */
 	*buflen = blen;
 done:
-	FREE(foff, M_NETGRAPH);
+	if (foff != NULL)
+		FREE(foff, M_NETGRAPH);
 	return (error);
 }