diff --git a/exp/protocol.go b/exp/protocol.go
index 9e4598410a..340c8c630d 100644
--- a/exp/protocol.go
+++ b/exp/protocol.go
@@ -34,7 +34,7 @@ const (
 )
 
 // Official short name of the protocol used during capability negotiation.
-var ProtocolName = "eth"
+var ProtocolName = "exp"
 
 // Supported versions of the eth protocol (first is primary).
 var ProtocolVersions = []uint{eth63, eth62, eth61}