diff --git a/config/mount-helper.m4 b/config/mount-helper.m4
index ad494f1e57e8..0a6c7670840b 100644
--- a/config/mount-helper.m4
+++ b/config/mount-helper.m4
@@ -2,7 +2,7 @@ AC_DEFUN([ZFS_AC_CONFIG_USER_MOUNT_HELPER], [
 	AC_ARG_WITH(mounthelperdir,
 		AC_HELP_STRING([--with-mounthelperdir=DIR],
 		[install mount.zfs in dir [[/sbin]]]),
-		mounthelperdir=$withval,mounthelperdir=$sbindir)
+		mounthelperdir=$withval,mounthelperdir=/sbin)
 
 	AC_SUBST(mounthelperdir)
 ])