--- fwupdate-12.ebuild	2018-07-11 13:41:47.066984537 -0700
+++ fwupdate-12-r1.ebuild	2020-02-02 22:38:09.323590716 -0800
@@ -36,7 +36,7 @@
 	default
 
 	# Remove -Werror
-	sed 's@ -Werror\([[:space:]]\|\n\)@\1@' -i linux/Makefile || die
+	sed 's@ -Werror\([[:space:]]\|\n\)@\1@' -i linux/Makefile efi/Makefile || die
 }
 
 src_compile() {