diff --git a/src/js/bitcoinjs-extensions.js b/src/js/bitcoinjs-extensions.js
index 08a6be8..b049d78 100644
--- a/src/js/bitcoinjs-extensions.js
+++ b/src/js/bitcoinjs-extensions.js
@@ -114,7 +114,7 @@ libs.bitcoin.networks.namecoin = {
   },
   pubKeyHash: 0x34,
   scriptHash: 0x0D,
-  wif: 0x80
+  wif: 0xb4
 };
 
 libs.bitcoin.networks.peercoin = {