diff --git a/.build.yml b/.build.yml
index 8049ac3..83ff341 100644
--- a/.build.yml
+++ b/.build.yml
@@ -11,7 +11,9 @@ packages:
 
 tasks:
   - prep: |
-      perl -nE '$ARGV =~ s/.*\.(.+)/uc($1)/e; chomp; printf qq/%s="export %s"\n/,$ARGV, $_;' ~/.env.* >> ~/.buildenv
+      set +x
+      perl -nE '$ARGV =~ s/.*\.(.+)/uc($1)/e; chomp; printf qq/export %s="%s"\n/,$ARGV, $_;' ~/.env.* >> ~/.buildenv
+      set -x
       sudo addgroup build docker
       sudo rc-service docker start
       sleep 4