diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 091457b..7f4d15f 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -60,7 +60,7 @@ else()  # NOT (ANDROID OR EMSCRIPTEN)
 	target_link_libraries(system3 PRIVATE winmm)
   else()
 	pkg_check_modules(SDL2MIXER REQUIRED IMPORTED_TARGET SDL2_mixer)
-	target_sources(system3 PRIVATE linux/nact_linux.cpp sys/mako.cpp)
+	target_sources(system3 PRIVATE linux/nact_linux.cpp linux/mako.cpp)
 	target_link_libraries(system3 PRIVATE PkgConfig::SDL2MIXER)
   endif()
 endif()
diff --git a/src/sys/mako.cpp b/src/linux/mako.cpp
similarity index 100%
rename from src/sys/mako.cpp
rename to src/linux/mako.cpp