diff --git a/CMakeLists.txt b/CMakeLists.txt
index 58bf2cf2f..13324db52 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -24,7 +24,7 @@ ExternalProject_Add(taglib
 
 set(CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} "-std=c++11 -Wno-unused-result -Wno-deprecated-declarations")
 set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -g")
-set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -O2")
+set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -O2 -s")
 
 if (${LINK_STATICALLY} MATCHES "true")
   set(Boost_USE_STATIC_LIBS ON)