diff --git a/src/backend/distributed/shared_library_init.c b/src/backend/distributed/shared_library_init.c
index 9d2f9113e..33b3b4304 100644
--- a/src/backend/distributed/shared_library_init.c
+++ b/src/backend/distributed/shared_library_init.c
@@ -1896,6 +1896,7 @@ NodeConninfoGucCheckHook(char **newval, void **extra, GucSource source)
 		"sslcrl",
 		"sslmode",
 		"sslrootcert"
+		"tcp_user_timeout",
 	};
 	char *errorMsg = NULL;
 	bool conninfoValid = CheckConninfo(*newval, allowedConninfoKeywords,