diff --git a/source/Makefile.am b/source/Makefile.am
index 86683ea..da3bb8a 100644
--- a/source/Makefile.am
+++ b/source/Makefile.am
@@ -104,7 +104,7 @@ endif
 if CDTYPE_NULL
 libqfcd_a_SOURCES=	cd_null.c
 endif
-EXTRA_libqfcd_a_SOURCES= cd_audio.c cd_win.c cd_linux.c cd_null.c
+EXTRA_libqfcd_a_SOURCES= cd_dos.c cd_win.c cd_linux.c cd_null.c
 
 #
 # ... Joystick
diff --git a/source/cd_audio.c b/source/cd_dos.c
similarity index 99%
rename from source/cd_audio.c
rename to source/cd_dos.c
index 1590e7e..dac3304 100644
--- a/source/cd_audio.c
+++ b/source/cd_dos.c
@@ -1,5 +1,5 @@
 /*
-	cd_audio.c
+	cd_dos.c
 
 	@description@