Index: /trunk/Makefile.kmk
===================================================================
--- /trunk/Makefile.kmk	(revision 23660)
+++ /trunk/Makefile.kmk	(revision 23661)
@@ -322,5 +322,5 @@
  ifeq ($(KBUILD_HOST),win)
 buildserver-efifw-affinity-hack:
-	$(SHELL) $(PATH_DEVTOOLS)/bin/efi_firmware.sh --cmd fetch --filename $(buildserver-efifw_0_OUTDIR)/VBoxEfiFirmware.zip
+	$(SHELL) $(PATH_DEVTOOLS)/bin/efi_firmware.sh --cmd fetch --filename $(buildserver-efifw_0_OUTDIR)/VBoxEfiFirmware.zip.tmp
  endif
 endif # VBOX_WITH_EFIFW_FROM_BUILD_SERVER