diff --git a/include/linux/drbd_nl.h b/include/linux/drbd_nl.h
index ab6159e4..7203c9e 100644
--- a/include/linux/drbd_nl.h
+++ b/include/linux/drbd_nl.h
@@ -33,7 +33,9 @@
 	NL_BIT(		58,	T_MAY_IGNORE,	no_disk_drain)
 )
 
-NL_PACKET(detach, 4, )
+NL_PACKET(detach, 4,
+	NL_BIT(		88,	T_MANDATORY,	detach_force)
+)
 
 NL_PACKET(net_conf, 5,
 	NL_STRING(	8,	T_MANDATORY,	my_addr,	128)