diff --git a/test/core/util/port_posix.c b/test/core/util/port_posix.c
index 715e4582628..62d5e7df20a 100644
--- a/test/core/util/port_posix.c
+++ b/test/core/util/port_posix.c
@@ -149,7 +149,7 @@ static void got_port_from_server(void *arg,
   GPR_ASSERT(port > 1024);
   gpr_mu_lock(GRPC_POLLSET_MU(&pr->pollset));
   pr->port = port;
-  grpc_pollset_kick(&pr->pollset);
+  grpc_pollset_kick(&pr->pollset, NULL);
   gpr_mu_unlock(GRPC_POLLSET_MU(&pr->pollset));
 }
 
@@ -174,7 +174,9 @@ static int pick_port_using_server(char *server) {
                    &pr);
   gpr_mu_lock(GRPC_POLLSET_MU(&pr.pollset));
   while (pr.port == -1) {
-    grpc_pollset_work(&pr.pollset, GRPC_TIMEOUT_SECONDS_TO_DEADLINE(1));
+    grpc_pollset_worker worker;
+    grpc_pollset_work(&pr.pollset, &worker,
+                      GRPC_TIMEOUT_SECONDS_TO_DEADLINE(1));
   }
   gpr_mu_unlock(GRPC_POLLSET_MU(&pr.pollset));