diff --git a/src/common/ClientConnection.ts b/src/common/ClientConnection.ts
index 94113e0..726403f 100644
--- a/src/common/ClientConnection.ts
+++ b/src/common/ClientConnection.ts
@@ -1444,7 +1444,7 @@ export default class ClientConnection {
     value: number
   ) {
     return await this.doRpc<Protocol.NoneResponse>(
-      new Protocol.SetBlendingHoDensityRequestEntity(
+      new Protocol.SetBlendingHorDensityRequestEntity(
         row,
         column,
         control_point,