diff --git a/base/devnet.go b/base/devnet.go
index 17bd19c..67ec4c2 100644
--- a/base/devnet.go
+++ b/base/devnet.go
@@ -36,7 +36,7 @@ const (
 	PIXIE   uint64 = 316
 	RINKEBY uint64 = 402
 	HSC     uint64 = 603
-	BYTOM   uint64 = 700
+	BYTOM   uint64 = 701
 
 	SWITCHEO uint64 = 1000
 	HARMONY  uint64 = 801
diff --git a/base/testnet.go b/base/testnet.go
index cc94725..ae6ace3 100644
--- a/base/testnet.go
+++ b/base/testnet.go
@@ -46,7 +46,7 @@ const (
 	RINKEBY  uint64 = 402
 	OASIS    uint64 = 500
 	HSC      uint64 = 603
-	BYTOM    uint64 = 700
+	BYTOM    uint64 = 701
 	HARMONY  uint64 = 800
 
 	SWITCHEO uint64 = 1000