diff --git a/usr.bin/netstat/common.c b/usr.bin/netstat/common.c
index ac721b3e9ab..9dbbaeee25e 100644
--- a/usr.bin/netstat/common.c
+++ b/usr.bin/netstat/common.c
@@ -114,7 +114,7 @@ prepare_ifmap(size_t *pifmap_size)
 		ifindex = sdl->sdl_index;
 
 		if (ifindex >= ifmap_size) {
-			size = roundup(ifindex + 1, 32) *
+			size = roundup2(ifindex + 1, 32) *
 			    sizeof(struct ifmap_entry);
 			if ((ifmap = realloc(ifmap, size)) == NULL)
 				errx(2, "realloc(%d) failed", size);
@@ -122,7 +122,7 @@ prepare_ifmap(size_t *pifmap_size)
 			    size - ifmap_size *
 			    sizeof(struct ifmap_entry));
 
-			ifmap_size = roundup(ifindex + 1, 32);
+			ifmap_size = roundup2(ifindex + 1, 32);
 		}
 
 		if (*ifmap[ifindex].ifname != '\0')
diff --git a/usr.bin/netstat/nhops.c b/usr.bin/netstat/nhops.c
index 44006da7f1f..51bed6e23c0 100644
--- a/usr.bin/netstat/nhops.c
+++ b/usr.bin/netstat/nhops.c
@@ -213,7 +213,7 @@ nhop_map_update(struct nhop_map *map, uint32_t idx, char *gw, char *ifname)
 		else
 			new_size = map->size * 2;
 		if (new_size <= idx)
-			new_size = roundup(idx + 1, 32);
+			new_size = roundup2(idx + 1, 32);
 
 		sz = new_size * (sizeof(struct nhop_entry));
 		if ((map->ptr = realloc(map->ptr, sz)) == NULL)