diff --git a/CMakeLists.txt b/CMakeLists.txt
index ae717fabd..01879d97d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -358,8 +358,8 @@ if(CMAKE_COMPILER_IS_GNUCXX)
 
     if(ENABLE_SIMD)
       if (X86 OR X86_64)
-        set(CMAKE_C_FLAGS "${CMAKE_CXX_FLAGS} -O3 -msse3 -mfpmath=sse")
-        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O3 -msse3 -mfpmath=sse")
+        set(CMAKE_C_FLAGS "${CMAKE_CXX_FLAGS} -O3 -msse2 -mfpmath=sse")
+        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O3 -msse2 -mfpmath=sse")
       endif()
     endif()
 endif(CMAKE_COMPILER_IS_GNUCXX)