diff --git a/net/interface.go b/net/interface.go
index 2a24076f1..a7469f178 100644
--- a/net/interface.go
+++ b/net/interface.go
@@ -18,6 +18,7 @@ type ProtocolID string
 // These are the ProtocolIDs of the protocols running. It is useful
 // to keep them in one place.
 const (
+	ProtocolTesting ProtocolID = "/ipfs/testing"
 	ProtocolBitswap ProtocolID = "/ipfs/bitswap"
 	ProtocolDHT     ProtocolID = "/ipfs/dht"
 	ProtocolDiag    ProtocolID = "/ipfs/diagnostics"