diff --git a/include/lib.sh b/include/lib.sh
index b8f9967..2c28b11 100644
--- a/include/lib.sh
+++ b/include/lib.sh
@@ -148,7 +148,7 @@ chkvars()
 # e.g. coreboot is multi-tree, so 1
 singletree()
 {
-	( fe_ "exit 1" "config/$1/"*/ -type f -name "target.cfg" ) || return 1
+	( fx_ "exit 1" "config/$1/"*/ -type f -name "target.cfg" ) || return 1
 }
 
 fe_()
diff --git a/mk b/mk
index 5e33fbb..f4fac80 100755
--- a/mk
+++ b/mk
@@ -369,7 +369,7 @@ check_defconfig()
 elfcheck()
 {
 	# TODO: *STILL* very hacky check. do it properly (based on build.list)
-	( fe_ "exit 1" "$dest_dir" -type f ) || return 1; :
+	( fx_ "exit 1" "$dest_dir" -type f ) || return 1; :
 }
 
 handle_makefile()