diff --git a/test/bio_tfo_test.c b/test/bio_tfo_test.c
index e91c32bd32..43057e0133 100644
--- a/test/bio_tfo_test.c
+++ b/test/bio_tfo_test.c
@@ -400,6 +400,8 @@ err:
         if (errstr != NULL)
             BIO_printf(bio_err, "last errno: %d=%s\n", sockerr, errstr);
     }
+    if (ai != NULL)
+        freeaddrinfo(ai);
     BIO_ADDR_free(baddr);
     BIO_closesocket(cfd);
     BIO_closesocket(sfd);