diff --git a/accounts/usbwallet/internal/trezor/messages.proto b/accounts/usbwallet/internal/trezor/messages.proto
index 178956457e..8cb9c8cc25 100644
--- a/accounts/usbwallet/internal/trezor/messages.proto
+++ b/accounts/usbwallet/internal/trezor/messages.proto
@@ -2,6 +2,8 @@
 //   https://github.com/trezor/trezor-common/blob/master/protob/messages.proto
 // dated 28.07.2017, commit dd8ec3231fb5f7992360aff9bdfe30bb58130f4b.
 
+syntax = "proto2";
+
 /**
  * Messages for TREZOR communication
  */
diff --git a/accounts/usbwallet/internal/trezor/trezor.go b/accounts/usbwallet/internal/trezor/trezor.go
index 487aeb5f81..8ae9e726e4 100644
--- a/accounts/usbwallet/internal/trezor/trezor.go
+++ b/accounts/usbwallet/internal/trezor/trezor.go
@@ -18,7 +18,7 @@
 // wallets. The wire protocol spec can be found on the SatoshiLabs website:
 // https://doc.satoshilabs.com/trezor-tech/api-protobuf.html
 
-//go:generate protoc --go_out=Mgoogle/protobuf/descriptor.proto=github.com/golang/protobuf/protoc-gen-go/descriptor,import_path=trezor:. types.proto messages.proto
+//go:generate protoc --go_out=import_path=trezor:. types.proto messages.proto
 
 // Package trezor contains the wire protocol wrapper in Go.
 package trezor
diff --git a/accounts/usbwallet/internal/trezor/types.proto b/accounts/usbwallet/internal/trezor/types.proto
index 3a358a584d..acbe79e3ff 100644
--- a/accounts/usbwallet/internal/trezor/types.proto
+++ b/accounts/usbwallet/internal/trezor/types.proto
@@ -2,6 +2,8 @@
 //   https://github.com/trezor/trezor-common/blob/master/protob/types.proto
 // dated 28.07.2017, commit dd8ec3231fb5f7992360aff9bdfe30bb58130f4b.
 
+syntax = "proto2";
+
 /**
  * Types for TREZOR communication
  *