diff --git a/simple64-audio-sdl2/CMakeLists.txt b/simple64-audio-sdl2/CMakeLists.txt
index fb779b9..5de5a75 100644
--- a/simple64-audio-sdl2/CMakeLists.txt
+++ b/simple64-audio-sdl2/CMakeLists.txt
@@ -24,6 +24,9 @@ add_library(simple64-audio-sdl2 SHARED
     src/main.c
 )
 
+set_property(TARGET simple64-audio-sdl2 PROPERTY C_VISIBILITY_PRESET hidden)
+set_property(TARGET simple64-audio-sdl2 PROPERTY CXX_VISIBILITY_PRESET hidden)
+set_property(TARGET simple64-audio-sdl2 PROPERTY VISIBILITY_INLINES_HIDDEN ON)
 set_target_properties(simple64-audio-sdl2 PROPERTIES PREFIX "")
 target_compile_options(simple64-audio-sdl2 PRIVATE -march=x86-64-v3)
 target_link_options(simple64-audio-sdl2 PRIVATE -march=x86-64-v3)