diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3a2c05d4e..802f2e56a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -247,6 +247,8 @@ if (BUILD_FRAMEWORK)
 endif ()
 
 
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -msse4.1")
+
 # Find dependencies
 include(FindPkgConfig)