diff --git a/bin/tests/system/logfileconfig/named1.args b/bin/tests/system/logfileconfig/named1.args
index 764d4c969e..f35563b04b 100644
--- a/bin/tests/system/logfileconfig/named1.args
+++ b/bin/tests/system/logfileconfig/named1.args
@@ -1 +1 @@
--c named.conf -m record -T nosyslog -d 99 -D logfileconfig-ns1 -X named.lock -U 4
+-c named.conf -m record -T nosyslog -f -d 99 -D logfileconfig-ns1 -X named.lock -U 4
diff --git a/bin/tests/system/logfileconfig/named2.args b/bin/tests/system/logfileconfig/named2.args
index fb9fe57371..ddae5a4eae 100644
--- a/bin/tests/system/logfileconfig/named2.args
+++ b/bin/tests/system/logfileconfig/named2.args
@@ -1 +1 @@
--c named.conf -m record -T nosyslog -d 99 -D logfileconfig-ns1 -X named.lock -U 4 -L named_deflog
+-c named.conf -m record -T nosyslog -f -d 99 -D logfileconfig-ns1 -X named.lock -U 4 -L named_deflog
diff --git a/bin/tests/system/rpzextra/ns3/named.args b/bin/tests/system/rpzextra/ns3/named.args
index 16e88dd5db..8ec9731d67 100644
--- a/bin/tests/system/rpzextra/ns3/named.args
+++ b/bin/tests/system/rpzextra/ns3/named.args
@@ -1 +1 @@
- -m record -c named.conf -d 99 -D rpzextra-ns3 -X named.lock -U 4 -T maxcachesize=2097152
+ -m record -c named.conf -d 99 -f -D rpzextra-ns3 -X named.lock -U 4 -T maxcachesize=2097152