diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4cbfb00d2a6c55fd2774724bd6f339e47d71d005..32d1c6d416ea7a2165da67dbe5922c1d460ac427 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -73,7 +73,7 @@ if(CHAOS_MDS)
   SET(CDSLIB ON)
 
 
-###  CheckConfigureBuild(mongoclient mongo-cxx-driver:legacy-1.0.0-rc0 "--extralib=boost_system;--disable-warnings-as-errors;install-mongoclient" https://github.com/mongodb)
+CheckConfigureBuild(mongoclient mongo-cxx-driver:legacy-1.0.0-rc0 "--extralib=boost_system;--disable-warnings-as-errors;install-mongoclient" https://github.com/mongodb)
 ENDIF()
 endif()