diff --git a/deploy-wikitree.sh b/deploy-wikitree.sh
index 3607351..08af541 100755
--- a/deploy-wikitree.sh
+++ b/deploy-wikitree.sh
@@ -2,7 +2,7 @@
 set -e
 
 echo Copying files...
-lftp sftp://wiech13:${LFTP_PASSWORD}@apps.wikitree.com << EOF
+lftp -d sftp://wiech13:${LFTP_PASSWORD}@apps.wikitree.com << EOF
   mkdir www/topola-viewer.new
   mirror -R -p build/ www/topola-viewer.new/
   rm -r www/topola-viewer.old