diff --git a/Makefile b/Makefile
index 50b3bb2..455f3d6 100644
--- a/Makefile
+++ b/Makefile
@@ -42,6 +42,9 @@ utils/%: src/utils/%.c
 	mkdir -p utils
 	$(CC) -o $@ $<
 
+CP437.BIN: src/cp437.bmp utils/bmp2font
+	utils/bmp2font $< $@
+
 # Boot sectors
 boot/%.bs: boot/%.asm
 	$(NASM) $(NASM_ARGS) -DFLOPPY=$(FLOPPY) -o $@ $<