diff --git a/fles/mcbm2018/unpacker/CbmMcbm2018UnpackerTaskTof.cxx b/fles/mcbm2018/unpacker/CbmMcbm2018UnpackerTaskTof.cxx
index 02b7aefb41108bbec4523d4ceea6c468d027416c..e9777845af8c642c1c29a7a77c446530b95009ba 100644
--- a/fles/mcbm2018/unpacker/CbmMcbm2018UnpackerTaskTof.cxx
+++ b/fles/mcbm2018/unpacker/CbmMcbm2018UnpackerTaskTof.cxx
@@ -38,7 +38,7 @@ CbmMcbm2018UnpackerTaskTof::CbmMcbm2018UnpackerTaskTof(UInt_t /*uNbGdpb*/)
   , fbDebugMonitorMode(kFALSE)
   , fbSeparateArrayT0(kFALSE)
   , fbWriteOutput(kTRUE)
-  , fuDigiMaskedIdT0(0x00005006)
+  , fuDigiMaskedIdT0(0x00002806)
   , fuDigiMaskId(0x0001FFFF)
   , fulTsCounter(0)
   , fUnpackerAlgo(nullptr) {