diff --git a/GNUmakefile.in b/GNUmakefile.in
index 89b63627..30fdab46 100644
--- a/GNUmakefile.in
+++ b/GNUmakefile.in
@@ -212,8 +212,8 @@ $(call MKESCAPE,$(BINDIR))/limine-uefi-cd.bin: $(if $(BUILD_UEFI_IA32),$(call MK
 ifneq ($(BUILD_UEFI_CD),no)
 	$(MKDIR_P) '$(call SHESCAPE,$(BINDIR))'
 	rm -f '$(call SHESCAPE,$(BINDIR))/limine-uefi-cd.bin'
-	dd if=/dev/zero of='$(call SHESCAPE,$(BINDIR))/limine-uefi-cd.bin' bs=512 count=2880 2>/dev/null
-	( mformat -i '$(call SHESCAPE,$(BINDIR))/limine-uefi-cd.bin' -f 1440 :: && \
+	dd if=/dev/zero of='$(call SHESCAPE,$(BINDIR))/limine-uefi-cd.bin' bs=1M count=0 seek=16 2>/dev/null
+	( mformat -i '$(call SHESCAPE,$(BINDIR))/limine-uefi-cd.bin' :: && \
 	  mmd -D s -i '$(call SHESCAPE,$(BINDIR))/limine-uefi-cd.bin' ::/EFI && \
 	  mmd -D s -i '$(call SHESCAPE,$(BINDIR))/limine-uefi-cd.bin' ::/EFI/BOOT && \
 	  ( ( [ -f '$(call SHESCAPE,$(BUILDDIR))/common-uefi-aarch64/BOOTAA64.EFI' ] && \