diff --git a/testing/tests/ike/rw-cert/hosts/moon/etc/strongswan.conf b/testing/tests/ike/rw-cert/hosts/moon/etc/strongswan.conf
index ef63f7262..fd99f7eef 100644
--- a/testing/tests/ike/rw-cert/hosts/moon/etc/strongswan.conf
+++ b/testing/tests/ike/rw-cert/hosts/moon/etc/strongswan.conf
@@ -3,3 +3,7 @@
 charon {
   load = curl aes des sha1 sha2 md5 gmp random x509 pubkey hmac xcbc stroke kernel-netlink
 }
+
+pluto {
+  load = curl aes des sha1 sha2 md5 random hmac
+}
diff --git a/testing/tests/ike/rw_v1-net_v2/hosts/moon/etc/strongswan.conf b/testing/tests/ike/rw_v1-net_v2/hosts/moon/etc/strongswan.conf
index ef63f7262..fd99f7eef 100644
--- a/testing/tests/ike/rw_v1-net_v2/hosts/moon/etc/strongswan.conf
+++ b/testing/tests/ike/rw_v1-net_v2/hosts/moon/etc/strongswan.conf
@@ -3,3 +3,7 @@
 charon {
   load = curl aes des sha1 sha2 md5 gmp random x509 pubkey hmac xcbc stroke kernel-netlink
 }
+
+pluto {
+  load = curl aes des sha1 sha2 md5 random hmac
+}