diff --git a/core/detectors/tof/CbmMcbm2018TofPar.cxx b/core/detectors/tof/CbmMcbm2018TofPar.cxx
index 5dbed233f0cc1833e4fc7f389518be0379db15d3..59f3c986832ff37ac55268440030607c1ddd4226 100644
--- a/core/detectors/tof/CbmMcbm2018TofPar.cxx
+++ b/core/detectors/tof/CbmMcbm2018TofPar.cxx
@@ -560,6 +560,7 @@ void CbmMcbm2018TofPar::BuildChannelsUidMapBuc(UInt_t& uCh, UInt_t uGbtx)
             }
           }
         }
+          [[fallthrough]];
         case 7: {
           // clang-format off
           /*