diff --git a/pack-revindex.c b/pack-revindex.c
index 1b7ebd8d7e..ff5f62c033 100644
--- a/pack-revindex.c
+++ b/pack-revindex.c
@@ -134,10 +134,8 @@ static void create_pack_revindex(struct packed_git *p)
 			if (!(off & 0x80000000)) {
 				p->revindex[i].offset = off;
 			} else {
-				p->revindex[i].offset =
-					((uint64_t)ntohl(*off_64++)) << 32;
-				p->revindex[i].offset |=
-					ntohl(*off_64++);
+				p->revindex[i].offset = get_be64(off_64);
+				off_64 += 2;
 			}
 			p->revindex[i].nr = i;
 		}
diff --git a/packfile.c b/packfile.c
index 2d5774dbc0..7dbe8739d1 100644
--- a/packfile.c
+++ b/packfile.c
@@ -1713,8 +1713,7 @@ off_t nth_packed_object_offset(const struct packed_git *p, uint32_t n)
 			return off;
 		index += p->num_objects * 4 + (off & 0x7fffffff) * 8;
 		check_pack_index_ptr(p, index);
-		return (((uint64_t)ntohl(*((uint32_t *)(index + 0)))) << 32) |
-				   ntohl(*((uint32_t *)(index + 4)));
+		return get_be64(index);
 	}
 }