diff --git a/lib/url.c b/lib/url.c
index 87b8701135dde66d025b151d7c76766493de2f64..567f1de90ffc1e06eeeb1332310c9c6c26caae70 100644
--- a/lib/url.c
+++ b/lib/url.c
@@ -4779,6 +4779,7 @@ static void reuse_conn(struct connectdata *old_conn,
   Curl_safefree(old_conn->passwd);
   Curl_safefree(old_conn->proxyuser);
   Curl_safefree(old_conn->proxypasswd);
+  Curl_safefree(old_conn->localdev);
 
   Curl_llist_destroy(old_conn->send_pipe, NULL);
   Curl_llist_destroy(old_conn->recv_pipe, NULL);