diff --git a/examples/lock-app/silabs/data_model/lock-app.matter b/examples/lock-app/silabs/data_model/lock-app.matter
index 1d23fcdbf5..1ba05f6e38 100644
--- a/examples/lock-app/silabs/data_model/lock-app.matter
+++ b/examples/lock-app/silabs/data_model/lock-app.matter
@@ -2934,6 +2934,7 @@ endpoint 0 {
     ram      attribute lastNetworkingStatus;
     ram      attribute lastNetworkID;
     ram      attribute lastConnectErrorValue;
+    callback attribute supportedWiFiBands;
     callback attribute generatedCommandList;
     callback attribute acceptedCommandList;
     callback attribute eventList;