diff --git a/testing/tests/ikev2/rw-hash-and-url/hosts/carol/etc/strongswan.conf b/testing/tests/ikev2/rw-hash-and-url/hosts/carol/etc/strongswan.conf
index ca22de61f6..af0f9953b9 100644
--- a/testing/tests/ikev2/rw-hash-and-url/hosts/carol/etc/strongswan.conf
+++ b/testing/tests/ikev2/rw-hash-and-url/hosts/carol/etc/strongswan.conf
@@ -1,5 +1,6 @@
 # /etc/strongswan.conf - strongSwan configuration file
 
 charon {
+  hash_and_url = yes
   load = curl aes des sha1 sha2 md5 gmp random x509 pubkey hmac xcbc stroke
 }
diff --git a/testing/tests/ikev2/rw-hash-and-url/hosts/dave/etc/strongswan.conf b/testing/tests/ikev2/rw-hash-and-url/hosts/dave/etc/strongswan.conf
index ca22de61f6..af0f9953b9 100644
--- a/testing/tests/ikev2/rw-hash-and-url/hosts/dave/etc/strongswan.conf
+++ b/testing/tests/ikev2/rw-hash-and-url/hosts/dave/etc/strongswan.conf
@@ -1,5 +1,6 @@
 # /etc/strongswan.conf - strongSwan configuration file
 
 charon {
+  hash_and_url = yes
   load = curl aes des sha1 sha2 md5 gmp random x509 pubkey hmac xcbc stroke
 }
diff --git a/testing/tests/ikev2/rw-hash-and-url/hosts/moon/etc/strongswan.conf b/testing/tests/ikev2/rw-hash-and-url/hosts/moon/etc/strongswan.conf
index ca22de61f6..af0f9953b9 100644
--- a/testing/tests/ikev2/rw-hash-and-url/hosts/moon/etc/strongswan.conf
+++ b/testing/tests/ikev2/rw-hash-and-url/hosts/moon/etc/strongswan.conf
@@ -1,5 +1,6 @@
 # /etc/strongswan.conf - strongSwan configuration file
 
 charon {
+  hash_and_url = yes
   load = curl aes des sha1 sha2 md5 gmp random x509 pubkey hmac xcbc stroke
 }