diff --git a/app/ledger.js b/app/ledger.js
index 6cb5bac3a73..38720b58ec3 100644
--- a/app/ledger.js
+++ b/app/ledger.js
@@ -95,7 +95,8 @@ const clientOptions = {
   loggingP: process.env.LEDGER_LOGGING,
   rulesTestP: process.env.LEDGER_RULES_TESTING,
   verboseP: process.env.LEDGER_VERBOSE,
-  server: process.env.LEDGER_SERVER_URL
+  server: process.env.LEDGER_SERVER_URL,
+  createWorker: app.createWorker
 }
 
 var doneTimer