diff --git a/lib/index.js b/lib/index.js
index d28d541..c17bba7 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -198,6 +198,7 @@ RpcClient.callspec = {
   getDifficulty: '',
   getGenerate: '',
   getHashesPerSec: '',
+  getNetworkHashPs: '',
   getInfo: '',
   getMemoryPool: '',
   getMemPoolEntry: 'str',