diff --git a/include/threshold_event_monitor.hpp b/include/threshold_event_monitor.hpp
index 423f8ff..6943d28 100644
--- a/include/threshold_event_monitor.hpp
+++ b/include/threshold_event_monitor.hpp
@@ -211,7 +211,7 @@
             eventWarn,
             eventErr
         };
-        EventType eventType = eventNone;
+        [[maybe_unused]] EventType eventType = eventNone;
         if (event == "CriticalLow")
         {
             threshold = "critical low";