diff --git a/net-p2p/monero/metadata.xml b/net-p2p/monero/metadata.xml
index e16b9b3af6..66e5b44f1c 100644
--- a/net-p2p/monero/metadata.xml
+++ b/net-p2p/monero/metadata.xml
@@ -18,6 +18,9 @@
     <flag name="daemon">
       Build the Monero daemon used to connect to the P2P network.
     </flag>
+    <flag name="hw-wallet">
+      Enable Trezor hardware wallet support.
+    </flag>
     <flag name="tools">
       Build tools used to manipulate the blockchain as it is stored on
       disk.