diff --git a/misc/samples/network_samples/Kconfig b/misc/samples/network_samples/Kconfig
index b280931806..8e0618c1ef 100644
--- a/misc/samples/network_samples/Kconfig
+++ b/misc/samples/network_samples/Kconfig
@@ -42,6 +42,8 @@ if PKG_USING_NETWORK_SAMPLES
 
     config NETWORK_SAMPLES_USING_TCP_CLIENT_SELECT
         bool "[network] tcp client by select api"
+        select RT_USING_POSIX_FS
+        select RT_USING_POSIX_SOCKET
 
     config NETWORK_SAMPLES_USING_HTTP_CLIENT
         bool "[network] http client"