diff --git a/src/cpp/ripple/JobQueue.cpp b/src/cpp/ripple/JobQueue.cpp
index 7aca6e33a..d5cd438fa 100644
--- a/src/cpp/ripple/JobQueue.cpp
+++ b/src/cpp/ripple/JobQueue.cpp
@@ -219,7 +219,7 @@ void JobQueue::shutdown()
 void JobQueue::setThreadCount(int c)
 { // set the number of thread serving the job queue to precisely this number
 	if (theConfig.RUN_STANDALONE)
-		c = 2;
+		c = 1;
 	else if (c == 0)
 	{
 		c = boost::thread::hardware_concurrency();