diff --git a/helper/password/password_unix.go b/helper/password/password_unix.go
index 6d04978c3..f22930fb1 100644
--- a/helper/password/password_unix.go
+++ b/helper/password/password_unix.go
@@ -1,4 +1,4 @@
-// +build linux darwin freebsd netbsd openbsd
+// +build linux darwin freebsd netbsd openbsd dragonfly
 
 package password