diff --git a/core/detectors/trd/CbmTrdBaseLinkDef.h b/core/detectors/trd/CbmTrdBaseLinkDef.h
index 6e7d7174c081e5969378fc7c0c6e2d7b8d0845b5..46238360fd717db0f93cc1adde9ead39d65b8381 100644
--- a/core/detectors/trd/CbmTrdBaseLinkDef.h
+++ b/core/detectors/trd/CbmTrdBaseLinkDef.h
@@ -27,6 +27,7 @@
 #pragma link C++ class CbmTrdParSpadic + ;
 #pragma link C++ class CbmTrdSpadic + ;
 #pragma link C++ class CbmTrdFASP + ;
+#pragma link C++ class std::map<int, std::array<int, 16>> + ;
 #pragma link C++ class CbmTrdParFasp + ;
 #pragma link C++ class CbmTrdParFaspChannel + ;
 #pragma link C++ class CbmTrdParModGas + ;