diff --git a/testing/hosts/default/etc/strongswan.conf.testing b/testing/hosts/default/etc/strongswan.conf.testing
index 0f1a13314..55efbe7d1 100644
--- a/testing/hosts/default/etc/strongswan.conf.testing
+++ b/testing/hosts/default/etc/strongswan.conf.testing
@@ -1 +1,7 @@
+charon {
+  retransmit_tries = 2
+  retransmit_timeout = 1.0
+  retransmit_base = 1
+}
+
 include strongswan.conf
\ No newline at end of file