diff --git a/etc/ecix/birdwatcher.conf b/etc/ecix/birdwatcher.conf
index ad5aab7..bfdb04a 100644
--- a/etc/ecix/birdwatcher.conf
+++ b/etc/ecix/birdwatcher.conf
@@ -58,6 +58,11 @@ filter_fields = []
 
 # Enable support for multitable configurations
 per_peer_tables = true
-peer_protocol_prefix = 'ID'
-pipe_protocol_prefix = 'P'
 
+# Rewrite protocols:
+# Apply a regular expression match to the protocol 
+peer_protocol_match = 'ID(.*)'
+# Use the capture groups as variables
+pipe_protocol_prefix = 'P$1'
+# See https://golang.org/pkg/regexp/#Regexp.Expand
+# for more information on how to use these variables.