diff --git a/roles/shell/files/usr/local/bin/backup b/roles/shell/files/usr/local/bin/backup
index afdc236..d40fd9d 100644
--- a/roles/shell/files/usr/local/bin/backup
+++ b/roles/shell/files/usr/local/bin/backup
@@ -18,7 +18,7 @@ else
   find $BACKUPS -name "*tgz" ! -newer $LEVEL0 -exec rm {} \;
 fi
 
-tar -cz \
+nice tar -cz \
  --exclude ".nobackup" \
  --exclude "nobackup" \
  --exclude ".thunix/nobackup" \