diff --git a/code/CMakeLists.txt b/code/CMakeLists.txt
index 4f0439dfd..3fae8488c 100644
--- a/code/CMakeLists.txt
+++ b/code/CMakeLists.txt
@@ -131,6 +131,13 @@ IF(FINAL_VERSION)
   ADD_DEFINITIONS(-DFINAL_VERSION=1)
 ENDIF(FINAL_VERSION)
 
+IF(WITH_SSE2)
+  ADD_DEFINITIONS(-DNL_HAS_SSE2)
+  IF(WITH_SSE3)
+    ADD_DEFINITIONS(-DNL_HAS_SSE3)
+  ENDIF(WITH_SSE3)
+ENDIF(WITH_SSE2)
+
 IF(WITH_QT)
   FIND_PACKAGE(Qt4 COMPONENTS QtCore QtGui QtXml QtOpenGL REQUIRED)
 ENDIF(WITH_QT)
diff --git a/code/CMakeModules/nel.cmake b/code/CMakeModules/nel.cmake
index b194b5ff9..6e55545d6 100644
--- a/code/CMakeModules/nel.cmake
+++ b/code/CMakeModules/nel.cmake
@@ -324,6 +324,9 @@ MACRO(NL_SETUP_NEL_DEFAULT_OPTIONS)
   OPTION(WITH_LIBOVR              "With LibOVR support"                           OFF)
   OPTION(WITH_LIBVR               "With LibVR support"                            OFF)
   OPTION(WITH_PERFHUD             "With NVIDIA PerfHUD support"                   OFF)
+  
+  OPTION(WITH_SSE2                "With SSE2"                                     ON )
+  OPTION(WITH_SSE3                "With SSE3"                                     ON )
 ENDMACRO(NL_SETUP_NEL_DEFAULT_OPTIONS)
 
 MACRO(NL_SETUP_NELNS_DEFAULT_OPTIONS)