diff --git a/europe/bulgaria.md b/europe/bulgaria.md
index 1b42104..7cbbb9a 100644
--- a/europe/bulgaria.md
+++ b/europe/bulgaria.md
@@ -6,5 +6,5 @@ Yggdrasil configuration file to peer with these nodes.
 * Bulgaria, operated by passenger
 
  * `tcp://82.118.227.155:1920`
- * `tcp://2a01:8740:1:fe33:4618:1891:c6cd:1:1920`
+ * `tcp://[2a01:8740:1:fe33:4618:1891:c6cd:1]:1920`