diff --git a/slsReceiverSoftware/src/DataStreamer.h b/slsReceiverSoftware/src/DataStreamer.h
index 89f213b97..be4908a6f 100644
--- a/slsReceiverSoftware/src/DataStreamer.h
+++ b/slsReceiverSoftware/src/DataStreamer.h
@@ -180,7 +180,7 @@ class DataStreamer : private virtual slsDetectorDefs, public ThreadObject {
     std::map<std::string, std::string> localAdditionalJsonHeader;
 
     /** Aquisition Started flag */
-    bool startedFlag{nullptr};
+    bool startedFlag{false};
 
     /** Frame Number of First Frame */
     uint64_t firstIndex{0};