diff --git a/lib/coins.py b/lib/coins.py
index 67795ed..2d88b0e 100644
--- a/lib/coins.py
+++ b/lib/coins.py
@@ -34,7 +34,7 @@ class Coin(object):
 
     REORG_LIMIT = 200
     # Not sure if these are coin-specific
-    RPC_URL_REGEX = re.compile('.+@(\[[0-9:]+\]|[^:]+)(:[0-9]+)?')
+    RPC_URL_REGEX = re.compile('.+@(\[[0-9a-fA-F:]+\]|[^:]+)(:[0-9]+)?')
     VALUE_PER_COIN = 100000000
     CHUNK_SIZE = 2016
     IRC_SERVER = "irc.freenode.net"