diff --git a/script/prep-release.sh b/script/prep-release.sh
index 2d421529..a7761a6f 100755
--- a/script/prep-release.sh
+++ b/script/prep-release.sh
@@ -66,6 +66,8 @@ mv netboot.xyz-gce.tar.gz ../../build/ipxe/netboot.xyz-gce.tar.gz
 
 # generate EFI iPXE disks
 cp config/local/general.h.efi config/local/general.h
+cat config/local/general.h
+make clean
 make bin-x86_64-efi/ipxe.efi EMBED=../../ipxe/disks/netboot.xyz
 error_check
 mv bin-x86_64-efi/ipxe.efi ../../build/ipxe/netboot.xyz.efi