diff --git a/setup/start/sudoers b/setup/start/sudoers
index 4d455c93c..2d638745c 100644
--- a/setup/start/sudoers
+++ b/setup/start/sudoers
@@ -32,5 +32,5 @@ Defaults!/home/yellowtent/box/src/scripts/configurelogrotate.sh env_keep="HOME B
 yellowtent ALL=(root) NOPASSWD: /home/yellowtent/box/src/scripts/configurelogrotate.sh
 
 Defaults!/home/yellowtent/box/src/backuptask.js env_keep="HOME BOX_ENV"
-yellowtent ALL=(root) NOPASSWD: /home/yellowtent/box/src/backuptask.js
+yellowtent ALL=(root) NOPASSWD:SETENV: /home/yellowtent/box/src/backuptask.js
 
diff --git a/src/backups.js b/src/backups.js
index 3b17e2692..3634b8d4f 100644
--- a/src/backups.js
+++ b/src/backups.js
@@ -299,7 +299,7 @@ function runBackupTask(backupId, dataDir, callback) {
 
     var killTimerId = null;
 
-    var cp = shell.sudo(`backup-${backupId}`, [ BACKUPTASK_CMD, backupId, dataDir ], function (error) {
+    var cp = shell.sudo(`backup-${backupId}`, [ BACKUPTASK_CMD, backupId, dataDir ], { env: process.env }, function (error) {
         clearTimeout(killTimerId);
         cp = null;