diff --git a/simulators/c++2/src_simulator/definitions.h b/simulators/c++2/src_simulator/definitions.h
index 49c4e656fbe07f5d36e0116a1c16d66c707686bc..81f9fde9d0c352e89557af12539042c145606d77 100644
--- a/simulators/c++2/src_simulator/definitions.h
+++ b/simulators/c++2/src_simulator/definitions.h
@@ -101,7 +101,7 @@ using std::max;
 //enable recording of transactions
 #define TRANSLIST_ENABLED
 //enable lossy channels
-#undef LOSS_ENABLED
+#define LOSS_ENABLED
 //enables comments on actions/choices in HTML output
 #undef ADD_COMMENTS
 //enable this flag to restore benchmark variables correctly in coverage enhanced simulation