diff --git a/Makefile b/Makefile
index 9ce6d6b5..67505f05 100644
--- a/Makefile
+++ b/Makefile
@@ -47,7 +47,8 @@ $(IMG): limine.conf liminebg.bmp $(KERNEL) $(INITRD)-$(DISTROTYPE)
 	mkdir -p $(IMGDIR)/EFI/BOOT
 	ln -f $(INITRD)-$(DISTROTYPE) $(IMGDIR)/initrd
 	cp $(KERNEL) liminebg.bmp limine.conf $(LIMINEDIR)/limine-bios.sys $(IMGDIR)
-	cp $(LIMINEDIR)/BOOT{IA32,X64}.EFI $(IMGDIR)/EFI/BOOT
+	cp $(LIMINEDIR)/BOOTIA32.EFI $(IMGDIR)/EFI/BOOT
+	cp $(LIMINEDIR)/BOOTX64.EFI $(IMGDIR)/EFI/BOOT
 	./genbootimg.sh 1G $(IMG) $(IMGDIR)
 
 # ------ build targets ------
diff --git a/README.md b/README.md
index ab2374bb..70658244 100644
--- a/README.md
+++ b/README.md
@@ -26,7 +26,7 @@ Astral is a 64 bit operating system with its own kernel written in C for the x86
 
 ## Building
 
-The build process only needs xorriso, curl, zstd, fakeroot and bsdtar on the host. All other needed packages will be installed/built on the container.
+The build process only needs xorriso, curl, zstd, fakeroot and bsdtar on the host. If you wish to use the ``make img`` option, you will need mtools. All other needed packages will be installed/built on the container.
 
 To build the project, run ``make``. This will create a file named ``astral.iso``