diff --git a/chaincfg/params.go b/chaincfg/params.go
index fc5871d637..3bc1cc496c 100644
--- a/chaincfg/params.go
+++ b/chaincfg/params.go
@@ -379,7 +379,7 @@ var RegressionNetParams = Params{
 
 	// Human-readable part for Bech32 encoded segwit addresses, as defined in
 	// BIP 173.
-	Bech32HRPSegwit: "tb", // always tb for test net
+	Bech32HRPSegwit: "bcrt", // always bcrt for reg test net
 
 	// Address encoding magics
 	PubKeyHashAddrID: 0x6f, // starts with m or n