diff --git a/slsDetectorSoftware/multiSlsDetector/multiSlsDetector.cpp b/slsDetectorSoftware/multiSlsDetector/multiSlsDetector.cpp
index e29b39151..543c043c8 100644
--- a/slsDetectorSoftware/multiSlsDetector/multiSlsDetector.cpp
+++ b/slsDetectorSoftware/multiSlsDetector/multiSlsDetector.cpp
@@ -268,6 +268,7 @@ multiSlsDetector::multiSlsDetector(int id) :  slsDetectorUtils(), shmId(-1)
 
   getNMods();
   getMaxMods();
+  threadStarted = false;
   threadpool = 0;
 	if(createThreadPool() == FAIL)
 		exit(-1);