diff --git a/src/osmo_gsm_tester/resource.py b/src/osmo_gsm_tester/resource.py
index 8412d6a..604a9e9 100644
--- a/src/osmo_gsm_tester/resource.py
+++ b/src/osmo_gsm_tester/resource.py
@@ -55,6 +55,7 @@
         'bts[].band': schema.BAND,
         'bts[].trx_remote_ip': schema.IPV4,
         'bts[].launch_trx': schema.BOOL_STR,
+        'bts[].direct_pcu': schema.BOOL_STR,
         'bts[].ciphers[]': schema.CIPHER,
         'bts[].trx_list[].hw_addr': schema.HWADDR,
         'bts[].trx_list[].net_device': schema.STR,