diff --git a/CMake/unix_config.cmake b/CMake/unix_config.cmake
index b496cf0..f5383d4 100644
--- a/CMake/unix_config.cmake
+++ b/CMake/unix_config.cmake
@@ -21,7 +21,7 @@ macro(os_set_flags)
         set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=rv64ifd")
     else()
         set(CMAKE_C_FLAGS   "${CMAKE_C_FLAGS}   -mssse3")
-        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mssse3")
+        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mssse3 -flto")
         set(LRS_TRY_USE_AVX true)
     endif(${MACHINE} MATCHES "arm-*")