diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 81aadd430..d8a20e2d9 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -994,10 +994,10 @@ set (PCH_SOURCES
 	r_utility.cpp
 	r_sky.cpp
 	r_videoscale.cpp
-	s_advsound.cpp
-	s_environment.cpp
-	s_sndseq.cpp
-	s_sound.cpp
+	sound/s_advsound.cpp
+	sound/s_environment.cpp
+	sound/s_sndseq.cpp
+	sound/s_sound.cpp
 	serializer.cpp
 	scriptutil.cpp
 	st_stuff.cpp
diff --git a/src/s_advsound.cpp b/src/sound/s_advsound.cpp
similarity index 100%
rename from src/s_advsound.cpp
rename to src/sound/s_advsound.cpp
diff --git a/src/s_environment.cpp b/src/sound/s_environment.cpp
similarity index 100%
rename from src/s_environment.cpp
rename to src/sound/s_environment.cpp
diff --git a/src/s_sndseq.cpp b/src/sound/s_sndseq.cpp
similarity index 100%
rename from src/s_sndseq.cpp
rename to src/sound/s_sndseq.cpp
diff --git a/src/s_sndseq.h b/src/sound/s_sndseq.h
similarity index 100%
rename from src/s_sndseq.h
rename to src/sound/s_sndseq.h
diff --git a/src/s_sound.cpp b/src/sound/s_sound.cpp
similarity index 100%
rename from src/s_sound.cpp
rename to src/sound/s_sound.cpp
diff --git a/src/s_sound.h b/src/sound/s_sound.h
similarity index 100%
rename from src/s_sound.h
rename to src/sound/s_sound.h