diff --git a/src/network/networkd-radv.c b/src/network/networkd-radv.c
index 4de6a21122..35bf68cd7e 100644
--- a/src/network/networkd-radv.c
+++ b/src/network/networkd-radv.c
@@ -143,11 +143,7 @@ static int route_prefix_new_static(Network *network, const char *filename, unsig
         prefix->network = network;
         prefix->section = TAKE_PTR(n);
 
-        r = hashmap_ensure_allocated(&network->route_prefixes_by_section, &network_config_hash_ops);
-        if (r < 0)
-                return r;
-
-        r = hashmap_put(network->route_prefixes_by_section, prefix->section, prefix);
+        r = hashmap_ensure_put(&network->route_prefixes_by_section, &network_config_hash_ops, prefix->section, prefix);
         if (r < 0)
                 return r;