diff --git a/conf/i386-pc.rmk b/conf/i386-pc.rmk
index 382c45ca3..4c2aec617 100644
--- a/conf/i386-pc.rmk
+++ b/conf/i386-pc.rmk
@@ -155,7 +155,7 @@ grub_emu_SOURCES = commands/minicmd.c commands/cat.c commands/cmp.c	\
 	\
 	video/video.c video/fb/video_fb.c video/fb/fbblit.c             \
         video/fb/fbfill.c video/fb/fbutil.c commands/videotest.c        \
-	video/bitmap.c video/readers/tga.c video/readers/jpeg.c         \
+	video/bitmap.c video/bitmap_scale.c video/readers/tga.c video/readers/jpeg.c         \
 	video/readers/png.c font/font_cmd.c font/font.c term/gfxterm.c  \
 	io/bufio.c							\
 	\
@@ -175,6 +175,11 @@ grub_emu_SOURCES += disk/usbms.c util/usb.c bus/usb/usb.c	\
 grub_emu_LDFLAGS += $(LIBCURSES) $(LIBUSB)
 endif
 
+ifeq ($(enable_grub_emu_sdl), yes)
+grub_emu_SOURCES += util/sdl.c
+grub_emu_LDFLAGS += $(LIBSDL)
+endif
+
 sbin_SCRIPTS += grub-install
 grub_install_SOURCES = util/grub-install.in