diff --git a/src/proxy.c b/src/proxy.c
index 4e14e2fe0..f0e4755b9 100644
--- a/src/proxy.c
+++ b/src/proxy.c
@@ -226,6 +226,7 @@ void free_proxy(struct proxy *p)
 	free_email_alert(p);
 	free(p->invalid_rep);
 	free(p->invalid_req);
+	ha_free(&p->conn_src.iface_name);
 #if defined(CONFIG_HAP_TRANSPARENT)
 	free(p->conn_src.bind_hdr_name);
 #endif
@@ -1454,6 +1455,9 @@ void proxy_free_defaults(struct proxy *defproxy)
 	istfree(&defproxy->monitor_uri);
 	ha_free(&defproxy->defbe.name);
 	ha_free(&defproxy->conn_src.iface_name);
+#if defined(CONFIG_HAP_TRANSPARENT)
+	ha_free(&defproxy->conn_src.bind_hdr_name);
+#endif
 	istfree(&defproxy->server_id_hdr_name);
 
 	http_ext_clean(defproxy);