diff --git a/slsDetectorSoftware/multiSlsDetector/multiSlsDetector.cpp b/slsDetectorSoftware/multiSlsDetector/multiSlsDetector.cpp
index a42e7127d..b9de27c64 100644
--- a/slsDetectorSoftware/multiSlsDetector/multiSlsDetector.cpp
+++ b/slsDetectorSoftware/multiSlsDetector/multiSlsDetector.cpp
@@ -1131,6 +1131,7 @@ int multiSlsDetector::stopAcquisition(){
 	ret1=FAIL;
     }
   }
+  *stoppedFlag=1;
   return ret1;