diff --git a/src/network/networkd-network.c b/src/network/networkd-network.c
index fb4c519dbe..4eb553125b 100644
--- a/src/network/networkd-network.c
+++ b/src/network/networkd-network.c
@@ -369,6 +369,7 @@ void network_free(Network *network) {
         strv_free(network->search_domains);
         strv_free(network->route_domains);
         strv_free(network->bind_carrier);
+        strv_free(network->router_search_domains);
 
         netdev_unref(network->bridge);
         netdev_unref(network->bond);