diff --git a/src/rpc/masternode.cpp b/src/rpc/masternode.cpp
index e12c22eff8..78a4975319 100644
--- a/src/rpc/masternode.cpp
+++ b/src/rpc/masternode.cpp
@@ -46,15 +46,15 @@ UniValue privatesend(const JSONRPCRequest& request)
             "  reset       - Reset mixing\n"
             );
 
+    if(fMasternodeMode)
+        throw JSONRPCError(RPC_INTERNAL_ERROR, "Client-side mixing is not supported on masternodes");
+
     if(request.params[0].get_str() == "start") {
         {
             LOCK(pwalletMain->cs_wallet);
             EnsureWalletIsUnlocked();
         }
 
-        if(fMasternodeMode)
-            return "Mixing is not supported from masternodes";
-
         privateSendClient.fEnablePrivateSend = true;
         bool result = privateSendClient.DoAutomaticDenominating(*g_connman);
         return "Mixing " + (result ? "started successfully" : ("start failed: " + privateSendClient.GetStatus() + ", will retry"));