diff --git a/scripts/synapse_port_db b/scripts/synapse_port_db
index 6782b663e6..7d158a46a4 100755
--- a/scripts/synapse_port_db
+++ b/scripts/synapse_port_db
@@ -41,6 +41,7 @@ BOOLEAN_COLUMNS = {
     "presence_stream": ["currently_active"],
     "public_room_list_stream": ["visibility"],
     "device_lists_outbound_pokes": ["sent"],
+    "users_who_share_rooms": ["share_private"],
 }