diff --git a/CMakeLists.txt b/CMakeLists.txt
index d30b3357..c6e8eb60 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -174,10 +174,10 @@ if (WIN32)
 		generate_export_header(pip)
 		set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /O2 /Ob2 /Ot")
 	else ()
-		set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O3")
+		set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O3 -march=native")
 	endif ()
 else ()
-	set(${CMAKE_CXX_FLAGS} "${CMAKE_CXX_FLAGS} -O3")
+	set(${CMAKE_CXX_FLAGS} "${CMAKE_CXX_FLAGS} -O3 -march=native")
 	if (DEFINED ENV{QNX_HOST})
 		list(APPEND LIBS socket dl)
 		set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -ftemplate-depth-32")