diff --git a/include/StructLinkDef.h b/include/StructLinkDef.h
index 1ab35a5..220ac7c 100644
--- a/include/StructLinkDef.h
+++ b/include/StructLinkDef.h
@@ -20,6 +20,6 @@
 #pragma link C++ class reco_cell + ;
 #pragma link C++ class cluster + ;
 #pragma link C++ class track + ;
-//#pragma link C++ class particle + ;
+#pragma link C++ class particle + ;
 #pragma link C++ class event + ;
 #endif