diff --git a/code/CMakeModules/nel.cmake b/code/CMakeModules/nel.cmake
index c52590ee2..c7891917c 100644
--- a/code/CMakeModules/nel.cmake
+++ b/code/CMakeModules/nel.cmake
@@ -851,6 +851,9 @@ MACRO(NL_SETUP_BUILD)
       ENDIF()
     ENDIF()
 
+    # use c++0x standard to use std::unique_ptr and std::shared_ptr
+    ADD_PLATFORM_FLAGS("-std=c++0x")
+
     ADD_PLATFORM_FLAGS("-D_REENTRANT")
 
     # hardening