diff --git a/slsDetectorSoftware/mythenDetectorServer/server_defs.h b/slsDetectorSoftware/mythenDetectorServer/server_defs.h
index 815f4d7bb..c211a99d4 100755
--- a/slsDetectorSoftware/mythenDetectorServer/server_defs.h
+++ b/slsDetectorSoftware/mythenDetectorServer/server_defs.h
@@ -39,4 +39,5 @@
 
 
 #define THIS_SOFTWARE_VERSION 0x20120419
+#define THIS_REVISION "$Rev$"
 #endif
diff --git a/slsDetectorSoftware/mythenDetectorServer/server_funcs.c b/slsDetectorSoftware/mythenDetectorServer/server_funcs.c
index a423f0e04..fcba20b4e 100755
--- a/slsDetectorSoftware/mythenDetectorServer/server_funcs.c
+++ b/slsDetectorSoftware/mythenDetectorServer/server_funcs.c
@@ -528,10 +528,11 @@ enum externalCommunicationMode{
 
 int get_id(int file_des) {
   // sends back 64 bits!
-  int64_t retval;
+  int64_t retval, rev;
   int ret=OK;
   int imod=-1;
   int n=0;
+  int rev1;
   enum idMode arg;
   
   sprintf(mess,"Can't return id\n");
@@ -579,7 +580,13 @@ int get_id(int file_des) {
     retval=getMcsVersion();
     break;
   case DETECTOR_SOFTWARE_VERSION:
-    retval=THIS_SOFTWARE_VERSION;
+
+
+    sscanf(THIS_REVISION,"$Rev : %x",&rev1);
+    rev=((int64_t)rev1);
+    
+    retval=(THIS_SOFTWARE_VERSION<<32) | rev;
+
     break;
   default:
     printf("Required unknown id %d \n", arg);
diff --git a/slsDetectorSoftware/slsDetector/slsDetector.cpp b/slsDetectorSoftware/slsDetector/slsDetector.cpp
index b58bb64dc..987d7927e 100644
--- a/slsDetectorSoftware/slsDetector/slsDetector.cpp
+++ b/slsDetectorSoftware/slsDetector/slsDetector.cpp
@@ -1577,7 +1577,7 @@ int64_t slsDetector::getId( idMode mode, int imod){
   int fnum=F_GET_ID;
   int ret=FAIL;
   int64_t rev=0;
-
+  int rev1;
 
   char mess[100];
 
@@ -1590,8 +1590,10 @@ int64_t slsDetector::getId( idMode mode, int imod){
 #endif
   if (mode==THIS_SOFTWARE_VERSION) {
     ret=OK;
-    sscanf(THIS_REVISION,"$Rev : %x",&rev);
-    retval=thisSoftwareVersion & rev << 32;
+    sscanf(THIS_REVISION,"$Rev : %x",&rev1);
+    rev=((int64_t)rev1);
+    
+    retval=(thisSoftwareVersion<<32) | rev;
   } else {
     if (thisDetector->onlineFlag==ONLINE_FLAG) {
       if (controlSocket) {