diff --git a/src/t2iapi/device/service.proto b/src/t2iapi/device/service.proto
index 741bd97..ac62d62 100644
--- a/src/t2iapi/device/service.proto
+++ b/src/t2iapi/device/service.proto
@@ -62,7 +62,7 @@ service DeviceService {
     /*
     Get all supported languages of the component with a UI represented by the MDS with the provided handle.
     */
-    rpc GetMdsUiSupportedLanguages (t2iapi.device.SetMdsUiLanguageRequest) returns (GetMdsUiSupportedLanguagesResponse);
+    rpc GetMdsUiSupportedLanguages (t2iapi.BasicHandleRequest) returns (GetMdsUiSupportedLanguagesResponse);
 
     /*
     Get all descriptor handles which can be removed and reinserted into the MDIB of the device