diff --git a/CMakeLists.txt b/CMakeLists.txt
index cc05d575..3542f436 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -21,4 +21,7 @@ set(DATA_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
 
 add_subdirectory(help)
 add_subdirectory(levels)
-add_subdirectory(music)
+
+if(EXISTS music)
+    add_subdirectory(music)
+endif()