diff --git a/libports/lib/mk/sdl.mk b/libports/lib/mk/sdl.mk
index 9b8f97c01..4ce71ac9f 100644
--- a/libports/lib/mk/sdl.mk
+++ b/libports/lib/mk/sdl.mk
@@ -66,6 +66,11 @@ SRC_C   += joystick/SDL_joystick.c \
            joystick/dummy/SDL_sysjoystick.c
 INC_DIR += $(SDL_DIR)/src/joystick
 
+# cdrom subsystem
+SRC_C   += cdrom/SDL_cdrom.c \
+           cdrom/dummy/SDL_syscdrom.c
+INC_DIR += $(SDL_DIR)/src/cdrom
+
 # we need libc
 LIBS = libc pthread
 
diff --git a/libports/src/lib/sdl/SDL_config_genode.h b/libports/src/lib/sdl/SDL_config_genode.h
index a686a58e4..9035755cb 100644
--- a/libports/src/lib/sdl/SDL_config_genode.h
+++ b/libports/src/lib/sdl/SDL_config_genode.h
@@ -42,7 +42,7 @@
 #define SDL_AUDIO_DRIVER_GENODE 1
 
 /* Enable the stub cdrom driver (src/cdrom/dummy/\*.c) */
-#define SDL_CDROM_DISABLED 1
+#define SDL_CDROM_DUMMY 1
 
 /* Enable the stub joystick driver (src/joystick/dummy/\*.c) */
 #define SDL_JOYSTICK_DISABLED 1