diff --git a/tests/async/tioselectors.nim b/tests/async/tioselectors.nim
index 3f08ac59df..ed2fea84fa 100644
--- a/tests/async/tioselectors.nim
+++ b/tests/async/tioselectors.nim
@@ -58,6 +58,7 @@ when not defined(windows):
     discard posix.connect(client_socket, aiList.ai_addr,
                           aiList.ai_addrlen.Socklen)
     dealloc(aiList)
+    discard selector.select(100)
     var rc1 = selector.select(100)
     assert(len(rc1) == 2)