diff --git a/slsDetectorServers/jungfrauDetectorServer/bin/jungfrauDetectorServer_developer b/slsDetectorServers/jungfrauDetectorServer/bin/jungfrauDetectorServer_developer
index 2c35210b2..90439af52 100755
Binary files a/slsDetectorServers/jungfrauDetectorServer/bin/jungfrauDetectorServer_developer and b/slsDetectorServers/jungfrauDetectorServer/bin/jungfrauDetectorServer_developer differ
diff --git a/slsDetectorSoftware/src/Module.cpp b/slsDetectorSoftware/src/Module.cpp
index 4d450a903..44b25d1c2 100644
--- a/slsDetectorSoftware/src/Module.cpp
+++ b/slsDetectorSoftware/src/Module.cpp
@@ -3466,7 +3466,7 @@ sls_detector_module Module::readSettingsFile(const std::string &fname,
 void Module::sendProgram(bool blackfin, std::vector<char> buffer,
                          const int functionEnum,
                          const std::string &functionType,
-                         const std::string &serverName) {
+                         const std::string serverName) {
     LOG(logINFO) << "Module " << moduleIndex << " (" << shm()->hostname
                  << "): Sending " << functionType;
 
@@ -3484,9 +3484,11 @@ void Module::sendProgram(bool blackfin, std::vector<char> buffer,
     client.Send(cChecksum);
 
     // send server name
-    char sname[MAX_STR_LENGTH] = {0};
-    strcpy(sname, serverName.c_str());
-    client.Send(sname);
+    if (functionEnum == F_UPDATE_DETECTOR_SERVER) {
+        char sname[MAX_STR_LENGTH] = {0};
+        strcpy(sname, serverName.c_str());
+        client.Send(sname);
+    }
 
     // validate memory allocation etc in detector
     if (client.Receive<int>() == FAIL) {
diff --git a/slsDetectorSoftware/src/Module.h b/slsDetectorSoftware/src/Module.h
index 9f5cae22e..0750fb941 100644
--- a/slsDetectorSoftware/src/Module.h
+++ b/slsDetectorSoftware/src/Module.h
@@ -751,7 +751,7 @@ class Module : public virtual slsDetectorDefs {
                                          bool trimbits = true);
     void sendProgram(bool blackfin, std::vector<char> buffer,
                      const int functionEnum, const std::string &functionType,
-                     const std::string &serverName = nullptr);
+                     const std::string serverName = "");
     void simulatingActivityinDetector(const std::string &functionType,
                                       const int timeRequired);
 
diff --git a/slsSupportLib/include/sls/versionAPI.h b/slsSupportLib/include/sls/versionAPI.h
index cb56b7807..b0cf7fa62 100644
--- a/slsSupportLib/include/sls/versionAPI.h
+++ b/slsSupportLib/include/sls/versionAPI.h
@@ -9,7 +9,7 @@
 #define APICTB 0x211110
 #define APIGOTTHARD 0x211110
 #define APIGOTTHARD2 0x211110
-#define APIJUNGFRAU 0x211110
 #define APIMYTHEN3 0x211110
 #define APIMOENCH 0x211110
 #define APIEIGER 0x211110
+#define APIJUNGFRAU 0x211110