diff --git a/cmake_targets/oaisim_build_oai/CMakeLists.template b/cmake_targets/oaisim_build_oai/CMakeLists.template
index 3b84d5ab48b7b198e83e47b978a9db11fbbf8a5c..e122dd6c520be314edcf4a85ac962769c05b2b79 100644
--- a/cmake_targets/oaisim_build_oai/CMakeLists.template
+++ b/cmake_targets/oaisim_build_oai/CMakeLists.template
@@ -33,7 +33,7 @@ set (  LOG_NO_THREAD True )
 set (  LOWLATENCY False )
 set (  MAC_CONTEXT 1 )
 set (  MAX_NUM_CCs 1 )
-set (  MESSAGE_CHART_GENERATOR True)
+set (  MESSAGE_CHART_GENERATOR False)
 set (  MIH_C_MEDIEVAL_EXTENSIONS False )
 set (  MSG_PRINT False )
 set (  MU_RECEIVER False )