diff --git a/bird/config.go b/bird/config.go
index 88e3ce4..673cdb1 100644
--- a/bird/config.go
+++ b/bird/config.go
@@ -20,7 +20,7 @@ type ParserConfig struct {
 
 	PerPeerTables      bool   `toml:"per_peer_tables"`
 	PeerProtocolPrefix string `toml:"peer_protocol_prefix"`
-	PipeProtocolPrefix string `tomo:"pipe_protocol_prefix"`
+	PipeProtocolPrefix string `toml:"pipe_protocol_prefix"`
 }
 
 type RateLimitConfig struct {