diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1f1ecedaba..bf6b31ecff 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -8,4 +8,5 @@ set(LODEPNG_ROOT_DIR ${CMAKE_SOURCE_DIR}/external/LodePNG)
 set(PORTAUDIO_DIR ${CMAKE_SOURCE_DIR}/external/portaudio)
 
 add_subdirectory(interface)
-add_subdirectory(domain)
\ No newline at end of file
+add_subdirectory(domain)
+add_subdirectory(mixer)
\ No newline at end of file