diff --git a/src/AnalysisPrograms/Recognizers/Birds/NinoxStrenua.cs b/src/AnalysisPrograms/Recognizers/Birds/NinoxStrenua.cs
index 68b1ce83e..0bb293a7a 100644
--- a/src/AnalysisPrograms/Recognizers/Birds/NinoxStrenua.cs
+++ b/src/AnalysisPrograms/Recognizers/Birds/NinoxStrenua.cs
@@ -119,9 +119,8 @@ public override RecognizerResults Recognize(
             var maximumEventDuration = chirpConfig.MaxDuration;
             if (genericConfig.CombinePossibleSyllableSequence)
             {
-                int maxComponentCount = genericConfig.SyllableMaxCount;
                 minimumEventDuration *= 2.0;
-                maximumEventDuration *= maxComponentCount;
+                maximumEventDuration = genericConfig.SyllableMaxCount * genericConfig.SyllableStartDifference;
             }
 
             combinedResults.NewEvents = EventExtentions.FilterOnDuration(combinedResults.NewEvents, minimumEventDuration.Value, maximumEventDuration.Value);