diff --git a/src/config.c b/src/config.c
index 7d204fe..987bf92 100644
--- a/src/config.c
+++ b/src/config.c
@@ -273,6 +273,7 @@ int facilities_config(void* facilities_s) {
         facilities->id.ipv6_addr[11] = 0xff;
         facilities->id.ipv6_addr[12] = 0xfe;
         memcpy(facilities->id.ipv6_addr+13, src_mac+3, 3);
+        facilities->id.ipv6_addr[8] ^= 0x02;
     }