diff --git a/federationapi/storage/postgres/joined_hosts_table.go b/federationapi/storage/postgres/joined_hosts_table.go
index 05d38efd1..9a3977560 100644
--- a/federationapi/storage/postgres/joined_hosts_table.go
+++ b/federationapi/storage/postgres/joined_hosts_table.go
@@ -67,7 +67,7 @@ const selectJoinedHostsForRoomsSQL = "" +
 	"SELECT DISTINCT server_name FROM federationsender_joined_hosts WHERE room_id = ANY($1)"
 
 const selectJoinedHostsForRoomsExcludingBlacklistedSQL = "" +
-	"SELECT DISTINCT server_name FROM federationsender_joined_hosts j WHERE room_id = ANY('{!OGEhHVWSdvArJzumhm:matrix.org}') AND NOT EXISTS (" +
+	"SELECT DISTINCT server_name FROM federationsender_joined_hosts j WHERE room_id = ANY($1) AND NOT EXISTS (" +
 	"  SELECT server_name FROM federationsender_blacklist WHERE j.server_name = server_name" +
 	");"