diff --git a/dll/win32/msafd/misc/dllmain.c b/dll/win32/msafd/misc/dllmain.c
index 4f8e76c10a..636a6bf35a 100644
--- a/dll/win32/msafd/misc/dllmain.c
+++ b/dll/win32/msafd/misc/dllmain.c
@@ -1974,6 +1974,7 @@ WSPConnect(SOCKET Handle,
     if (Socket->SharedData->NonBlocking)
     {
         ERR("Async Connect UNIMPLEMENTED!\n");
+        return WSAECONNREFUSED; /* workaround */
     }
 
     /* Send IOCTL */