diff --git a/tools/rpi/hoymiles/decoders/__init__.py b/tools/rpi/hoymiles/decoders/__init__.py
index 59bc2292..677d5a65 100644
--- a/tools/rpi/hoymiles/decoders/__init__.py
+++ b/tools/rpi/hoymiles/decoders/__init__.py
@@ -261,7 +261,7 @@ class EventsResponse(UnknownResponse):
 
     alarm_codes = {
             1: 'Inverter start',
-            2: 'Producing power',
+            2: 'DTU command failed',
             121: 'Over temperature protection',
             125: 'Grid configuration parameter error',
             126: 'Software error code 126',