diff --git a/bin/tests/system/catz/ns3/catalog.example.db.in b/bin/tests/system/catz/ns3/catalog.example.db.in
index a0bab0dfe2..eccb4f1004 100644
--- a/bin/tests/system/catz/ns3/catalog.example.db.in
+++ b/bin/tests/system/catz/ns3/catalog.example.db.in
@@ -9,6 +9,6 @@
 ; See the COPYRIGHT file distributed with this work for additional
 ; information regarding copyright ownership.
 
-@ 3600 SOA . . 1 86400 3600 86400 3600
+@ 3600 SOA . . 2670950424 86400 3600 86400 3600
 @ 3600 IN NS invalid.
 version IN TXT "1"
diff --git a/bin/tests/system/catz/tests.sh b/bin/tests/system/catz/tests.sh
index ee95d2e124..09c7ba5d04 100644
--- a/bin/tests/system/catz/tests.sh
+++ b/bin/tests/system/catz/tests.sh
@@ -382,6 +382,7 @@ status=$((status+ret))
 n=$((n+1))
 echo_i "waiting for secondary to sync up ($n)"
 ret=0
+wait_for_message ns2/named.run "catz: updating catalog zone 'catalog2.example' with serial 2670950425" &&
 wait_for_message ns2/named.run "catz: adding zone 'dom2.example' from catalog 'catalog1.example'" &&
 wait_for_message ns2/named.run "catz: adding zone 'dom3.example' from catalog 'catalog1.example'" &&
 wait_for_message ns2/named.run "catz: adding zone 'dom4.example' from catalog 'catalog2.example'" &&