diff --git a/fdi/policy/10osvendor/20-storage-methods.fdi b/fdi/policy/10osvendor/20-storage-methods.fdi
index 3304eaf..833cf44 100644
--- a/fdi/policy/10osvendor/20-storage-methods.fdi
+++ b/fdi/policy/10osvendor/20-storage-methods.fdi
@@ -201,6 +201,7 @@
 	  <append key="volume.mount.valid_options" type="strlist">dmask=</append>
 	  <append key="volume.mount.valid_options" type="strlist">fmask=</append>
 	  <append key="volume.mount.valid_options" type="strlist">uid=</append>
+	  <append key="volume.mount.valid_options" type="strlist">gid=</append>
 	  <append key="volume.mount.valid_options" type="strlist">flush</append>
 	</match>
 	<match key="/org/freedesktop/Hal/devices/computer:system.kernel.name" string="FreeBSD">