diff --git a/src/arch/i386/Makefile.tinybootblock.inc b/src/arch/i386/Makefile.tinybootblock.inc
index 5457d79..9c04800 100644
--- a/src/arch/i386/Makefile.tinybootblock.inc
+++ b/src/arch/i386/Makefile.tinybootblock.inc
@@ -63,7 +63,7 @@
 $(obj)/mainboard/$(MAINBOARDDIR)/bootblock.s: $(obj)/bootblock/bootblock.c
 	$(CC) -x assembler-with-cpp -DASSEMBLY -E -I$(src)/include -I$(src)/arch/i386/include -I$(obj) -I$(obj)/bootblock -include $(obj)/config.h -I. -I$(src) $< > $@.new && mv $@.new $@
 
-$(obj)/mainboard/$(MAINBOARDDIR)/bootblock.inc: $(src)/arch/i386/init/$(subst ",,$(CONFIG_TINY_BOOTBLOCK_SOURCE)) $(obj)/romcc
+$(obj)/mainboard/$(MAINBOARDDIR)/bootblock.inc: $(src)/arch/i386/init/bootblock.c $(obj)/romcc
 	$(obj)/romcc $(bootblock_romccflags) -O2 $(ROMCCFLAGS) $(INCLUDES) $< -o $@
 
 $(obj)/bootblock.elf: $(obj)/mainboard/$(MAINBOARDDIR)/bootblock.o $(obj)/bootblock/ldscript.ld