diff --git a/synfig-studio/CMakeLists.txt b/synfig-studio/CMakeLists.txt
index 0dd0b9e..247511d 100644
--- a/synfig-studio/CMakeLists.txt
+++ b/synfig-studio/CMakeLists.txt
@@ -9,3 +9,5 @@ set(CMAKE_CXX_STANDARD 11)
 
 add_subdirectory(src)
 add_subdirectory(images)
+add_subdirectory(ui)
+add_subdirectory(sounds)