diff --git a/src/frontend_common/firmware_manager.cpp b/src/frontend_common/firmware_manager.cpp
index f57ff7c1f5..be3014e3f2 100644
--- a/src/frontend_common/firmware_manager.cpp
+++ b/src/frontend_common/firmware_manager.cpp
@@ -131,7 +131,7 @@ FirmwareManager::FirmwareCheckResult FirmwareManager::VerifyFirmware(Core::Syste
 
         // TODO: update this whenever newer firmware is properly supported
         if (firmware_data.major > 20) {
-            //return ErrorFirmwareTooNew;
+            return ErrorFirmwareTooNew;
         }
     }