diff --git a/sql/updates/1.5.1--1.6.0.sql b/sql/updates/1.5.1--1.6.0.sql
index 688650d3f7c..1575daa7480 100644
--- a/sql/updates/1.5.1--1.6.0.sql
+++ b/sql/updates/1.5.1--1.6.0.sql
@@ -23,10 +23,8 @@ BEGIN
 END
 $BODY$;
 
-INSERT INTO saved_acl SELECT oid, relnamespace, relacl FROM pg_class
-WHERE oid IN ('_timescaledb_catalog.continuous_aggs_hypertable_invalidation_log'::regclass,
-              '_timescaledb_catalog.continuous_aggs_materialization_invalidation_log'::regclass)
-	      ON CONFLICT DO NOTHING;
+CALL save_acls_for('_timescaledb_catalog', 'continuous_aggs_hypertable_invalidation_log');
+CALL save_acls_for('_timescaledb_catalog', 'continuous_aggs_materialization_invalidation_log');
 
 ALTER TABLE  _timescaledb_catalog.continuous_agg
     ADD COLUMN  ignore_invalidation_older_than BIGINT NOT NULL DEFAULT BIGINT '9223372036854775807';
diff --git a/sql/updates/1.7.5--2.0.0-rc1.sql b/sql/updates/1.7.5--2.0.0-rc1.sql
index bfd9cd1e798..d7266343ae1 100644
--- a/sql/updates/1.7.5--2.0.0-rc1.sql
+++ b/sql/updates/1.7.5--2.0.0-rc1.sql
@@ -1,9 +1,7 @@
 -- Save away ACL for objects being re-created
-INSERT INTO saved_acl SELECT oid, relnamespace, relacl FROM pg_class
-WHERE oid IN ('_timescaledb_config.bgw_job'::regclass,
-      	      '_timescaledb_catalog.continuous_agg'::regclass,
-	      '_timescaledb_config.bgw_job_id_seq'::regclass)
-	      ON CONFLICT DO NOTHING;
+CALL save_acls_for('_timescaledb_config', 'bgw_job');
+CALL save_acls_for('_timescaledb_catalog', 'continuous_agg');
+CALL save_acls_for('_timescaledb_config', 'bgw_job_id_seq');
 
 --Drop functions in size_utils and dependencies, ordering matters.
 -- Do not reorder
@@ -269,11 +267,9 @@ DROP VIEW IF EXISTS timescaledb_information.continuous_aggregates;
 DROP VIEW IF EXISTS timescaledb_information.continuous_aggregate_stats;
 ALTER TABLE IF EXISTS _timescaledb_catalog.continuous_agg DROP COLUMN IF EXISTS job_id;
 
-INSERT INTO saved_acl SELECT oid, relnamespace, relacl FROM pg_class
-WHERE oid IN ('_timescaledb_config.bgw_job'::regclass,
-      	      '_timescaledb_catalog.continuous_agg'::regclass,
-	      '_timescaledb_config.bgw_job_id_seq'::regclass)
-	      ON CONFLICT DO NOTHING;
+CALL save_acls_for('_timescaledb_config', 'bgw_job');
+CALL save_acls_for('_timescaledb_catalog', 'continuous_agg');
+CALL save_acls_for('_timescaledb_config', 'bgw_job_id_seq');
 
 -- rebuild bgw_job table
 CREATE TABLE _timescaledb_config.bgw_job_tmp AS SELECT * FROM _timescaledb_config.bgw_job;
diff --git a/sql/updates/2.0.0-rc1--2.0.0-rc2.sql b/sql/updates/2.0.0-rc1--2.0.0-rc2.sql
index c439e5c5cfd..bb067264b24 100644
--- a/sql/updates/2.0.0-rc1--2.0.0-rc2.sql
+++ b/sql/updates/2.0.0-rc1--2.0.0-rc2.sql
@@ -6,10 +6,8 @@ DROP PROCEDURE IF EXISTS refresh_continuous_aggregate(regclass,"any","any");
 
 DROP VIEW IF EXISTS timescaledb_information.continuous_aggregates;
 
-INSERT INTO saved_acl SELECT oid, relnamespace, relacl FROM pg_class
-WHERE oid IN ('_timescaledb_catalog.continuous_aggs_hypertable_invalidation_log'::regclass,
-              '_timescaledb_catalog.continuous_aggs_materialization_invalidation_log'::regclass)
-	      ON CONFLICT DO NOTHING;
+CALL save_acls_for('_timescaledb_catalog', 'continuous_aggs_hypertable_invalidation_log');
+CALL save_acls_for('_timescaledb_catalog', 'continuous_aggs_materialization_invalidation_log');
 
 -- Rebuild hypertable invalidation log
 CREATE TABLE _timescaledb_catalog.continuous_aggs_hypertable_invalidation_log_tmp AS
diff --git a/sql/updates/2.0.0-rc3--2.0.0-rc4.sql b/sql/updates/2.0.0-rc3--2.0.0-rc4.sql
index 13e0d68c932..fd8ebc11b2d 100644
--- a/sql/updates/2.0.0-rc3--2.0.0-rc4.sql
+++ b/sql/updates/2.0.0-rc3--2.0.0-rc4.sql
@@ -1,10 +1,8 @@
 -- Save away ACL for objects being re-created
-INSERT INTO saved_acl SELECT oid, relnamespace, relacl FROM pg_class
-WHERE oid IN ('_timescaledb_catalog.hypertable'::regclass,
-	      '_timescaledb_catalog.hypertable_id_seq'::regclass,
-	      '_timescaledb_internal.hypertable_chunk_local_size'::regclass,
-	      '_timescaledb_internal.compressed_chunk_stats'::regclass)
-	      ON CONFLICT DO NOTHING;
+CALL save_acls_for('_timescaledb_catalog', 'hypertable');
+CALL save_acls_for('_timescaledb_catalog', 'hypertable_id_seq');
+CALL save_acls_for('_timescaledb_internal', 'hypertable_chunk_local_size');
+CALL save_acls_for('_timescaledb_internal', 'compressed_chunk_stats');
 
 DROP VIEW IF EXISTS timescaledb_information.continuous_aggregates;
 DROP VIEW IF EXISTS timescaledb_information.job_stats;
diff --git a/sql/updates/pre-update.sql b/sql/updates/pre-update.sql
index 3b0cb4f8713..9177140b83b 100644
--- a/sql/updates/pre-update.sql
+++ b/sql/updates/pre-update.sql
@@ -33,3 +33,12 @@ SELECT _timescaledb_internal.restart_background_workers();
 -- Each update should populate this with whatever tables are being
 -- re-built and the post-restore file will copy back the permissions.
 CREATE TABLE saved_acl(tmpoid oid, tmpns oid, tmpacl aclitem[], UNIQUE (tmpoid, tmpns));
+
+-- Since objects might not exist, we look them up by name and only add
+-- them if they exist.
+CREATE PROCEDURE save_acls_for(text, text) AS $$
+    INSERT INTO saved_acl SELECT cl.oid, relnamespace, relacl
+    FROM pg_class cl JOIN pg_namespace ns ON ns.oid = relnamespace
+    WHERE nspname = $1 AND relname = $2
+    ON CONFLICT DO NOTHING
+$$ LANGUAGE sql;