diff --git a/host/CMakeLists.txt b/host/CMakeLists.txt
index 0b4bd11a..a5bb203c 100644
--- a/host/CMakeLists.txt
+++ b/host/CMakeLists.txt
@@ -6,12 +6,17 @@ set(CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake/")
 include(CheckCCompilerFlag)
 include(FeatureSummary)
 
-option(OPTIMIZE_FOR_NATIVE "Build with -march=native" ON)
+option(OPTIMIZE_FOR_NATIVE "Build with -march=native" OFF)
 if(OPTIMIZE_FOR_NATIVE)
   CHECK_C_COMPILER_FLAG("-march=native" COMPILER_SUPPORTS_MARCH_NATIVE)
   if(COMPILER_SUPPORTS_MARCH_NATIVE)
     add_compile_options("-march=native")
   endif()
+else()
+  CHECK_C_COMPILER_FLAG("-march=nehalem" COMPILER_SUPPORTS_MARCH_NEHALEM)
+  if(COMPILER_SUPPORTS_MARCH_NEHALEM)
+    add_compile_options("-march=nehalem")
+  endif()
 endif()
 
 option(ENABLE_BACKTRACE "Enable backtrace support on crash" ON)