diff --git a/slsDetectorSoftware/src/Detector.cpp b/slsDetectorSoftware/src/Detector.cpp
index 748f513b7..396dacd44 100644
--- a/slsDetectorSoftware/src/Detector.cpp
+++ b/slsDetectorSoftware/src/Detector.cpp
@@ -784,8 +784,12 @@ void Detector::setRxHostname(const int udpInterface, const std::string &hostname
 
 void Detector::setRxHostname(const int udpInterface, const std::string &hostname, const int port, 
       int module_id) {
-    if (module_id == -1 && size() > 1) {
-        throw sls::RuntimeError("Cannot set same rx_tcpport and rx_hostname for multiple receivers");
+    if (module_id == -1) {
+        if (size() > 1) {
+            throw sls::RuntimeError("Cannot set same rx_tcpport and rx_hostname for multiple receivers");
+        } else {
+            module_id = 0;
+        }
     }
     pimpl->configureReceiver(udpInterface, module_id, hostname, port);
 }
diff --git a/slsDetectorSoftware/src/DetectorImpl.cpp b/slsDetectorSoftware/src/DetectorImpl.cpp
index 4a3cea7e2..6e8ab952d 100755
--- a/slsDetectorSoftware/src/DetectorImpl.cpp
+++ b/slsDetectorSoftware/src/DetectorImpl.cpp
@@ -502,6 +502,7 @@ void DetectorImpl::configureReceiver(const int udpInterface, int module_id,
     if (!isReceiverInitialized(udpInterface)) {
         initReceiver(udpInterface);
     }
+    std::cout << "module_id:"<<module_id << std::endl;
     auto t = detectors[module_id]->getReceiverParameters();
     if (udpInterface == 1) {
         receivers[module_id][0]->setTCPPort(port);