diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5589563..eb05441 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -202,7 +202,7 @@ endif()
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsplit-stack")
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wformat=2 -Wformat-security")
 
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=native -mtune=generic -pipe -fno-plt")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=native -mtune=native -pipe -fno-plt")
 if(NOT CMAKE_CXX_FLAGS MATCHES "-fPIC")
   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC")
 endif(NOT CMAKE_CXX_FLAGS MATCHES "-fPIC")