diff --git a/lib/statemachine.dart b/lib/statemachine.dart
index 02c01d5..43ebff5 100644
--- a/lib/statemachine.dart
+++ b/lib/statemachine.dart
@@ -253,7 +253,9 @@ class StateMachine {
             for (WarnIntervals WI in WarnIntervals.values) {
               if (WI == WarnIntervals.NONE) continue;
 
-              if (WI.seconds >= sec && WI.seconds <= current.seconds) {
+              if (WI.seconds >= sec &&
+                  WI.seconds <= current.seconds &&
+                  WI != current) {
                 current = WI;
                 send = true;