diff --git a/bin/tests/system/logfileconfig/named1.args b/bin/tests/system/logfileconfig/named1.args
index 37ed976379..661190488c 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
+-c named.conf -m record -T nosyslog -f -d 99 -D logfileconfig-ns1
diff --git a/bin/tests/system/logfileconfig/named2.args b/bin/tests/system/logfileconfig/named2.args
index 45347fc1b7..e2b5a482b4 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 -L named_deflog
+-c named.conf -m record -T nosyslog -f -d 99 -D logfileconfig-ns1 -L named_deflog
diff --git a/bin/tests/system/rpzextra/ns3/named.args b/bin/tests/system/rpzextra/ns3/named.args
index 76936389a6..f4fe28fd83 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 -T maxcachesize=2097152
+ -m record -c named.conf -d 99 -f -D rpzextra-ns3 -T maxcachesize=2097152