diff --git a/postgresql.custom.conf.tmpl b/postgresql.custom.conf.tmpl
index f158da2..9b0f55b 100644
--- a/postgresql.custom.conf.tmpl
+++ b/postgresql.custom.conf.tmpl
@@ -16,7 +16,6 @@ wal_writer_delay = 500ms
 wal_level = minimal
 max_parallel_workers_per_gather = 0
 commit_delay = 10000
-# checkpoint_segments = 60 # unrecognized in psql 10.7.1
 max_wal_size = 10GB
 max_wal_senders = 0
 random_page_cost = 1.1
@@ -24,6 +23,7 @@ track_activity_query_size = 16384
 autovacuum_vacuum_scale_factor = 0.05
 autovacuum_analyze_scale_factor = 0.02
 synchronous_commit = off
+checkpoint_timeout = 60min
 
 # Disable Postgres JIT
 # https://github.com/gravitystorm/openstreetmap-carto/blob/master/INSTALL.md#disable-jit