diff --git a/scripts/synapse_port_db b/scripts/synapse_port_db
index 2cb2eab68..ea367a128 100755
--- a/scripts/synapse_port_db
+++ b/scripts/synapse_port_db
@@ -40,6 +40,7 @@ BOOLEAN_COLUMNS = {
     "presence_list": ["accepted"],
     "presence_stream": ["currently_active"],
     "public_room_list_stream": ["visibility"],
+    "device_lists_outbound_pokes": ["sent"],
 }