diff --git a/stand/kboot/libkboot/seg.c b/stand/kboot/libkboot/seg.c
index 395c593bcab..6979d5cfa5f 100644
--- a/stand/kboot/libkboot/seg.c
+++ b/stand/kboot/libkboot/seg.c
@@ -20,6 +20,7 @@ init_avail(void)
 		free(segs);
 	nr_seg = 0;
 	segalloc = 16;
+	free(segs);
 	segs = malloc(sizeof(*segs) * segalloc);
 	if (segs == NULL)
 		panic("not enough memory to get memory map\n");