diff --git a/SConstruct b/SConstruct
index 31611e087..f9e960121 100644
--- a/SConstruct
+++ b/SConstruct
@@ -332,7 +332,9 @@ def config_env(toolchain, variant, env):
         if variant == 'release':
             env.Append(CCFLAGS=[
                 '-O3',
-                '-fno-strict-aliasing'
+                '-fno-strict-aliasing',
+                '-march=native',
+                '-mtune=native'
                 ])
 
         if toolchain != 'msvc':