diff --git a/src/action.h b/src/action.h
index 3d7a0bdec96f14fabbe5d2c8fd2f45cae3221d84..c7d54bf12f6fab18e4ff444d05fb34c107414433 100644
--- a/src/action.h
+++ b/src/action.h
@@ -49,6 +49,8 @@ enum class Action {
     stopAdc,
     fillHistogram,
     clearHistogram,
+    adcThresholdUp,
+    adcThresholdDown,
     error,
 };
 }