diff --git a/slsDetectorServers/gotthard2DetectorServer/bin/gotthard2DetectorServer_developer b/slsDetectorServers/gotthard2DetectorServer/bin/gotthard2DetectorServer_developer
index 43d181b50..fb33ceb3c 100755
Binary files a/slsDetectorServers/gotthard2DetectorServer/bin/gotthard2DetectorServer_developer and b/slsDetectorServers/gotthard2DetectorServer/bin/gotthard2DetectorServer_developer differ
diff --git a/slsDetectorServers/gotthard2DetectorServer/slsDetectorFunctionList.c b/slsDetectorServers/gotthard2DetectorServer/slsDetectorFunctionList.c
index 4c1003eab..82bf3028d 100644
--- a/slsDetectorServers/gotthard2DetectorServer/slsDetectorFunctionList.c
+++ b/slsDetectorServers/gotthard2DetectorServer/slsDetectorFunctionList.c
@@ -1818,7 +1818,7 @@ int configureASICVetoReference(int chipIndex, int *gainIndices, int *values) {
                 ("Unknown gain index %d for channel %d\n", gainIndices[i], i));
             return FAIL;
         }
-        revValues[i] |= gainValue;
+        revValues[NCHAN - 1 - i] |= gainValue; // reversed list, so NCHAN - 1 - i
         LOG(logDEBUG2, ("Values[%d]: 0x%x\n", i, revValues[i]));
     }