diff --git a/app/static/js/services/ghostNoteExtractor.js b/app/static/js/services/ghostNoteExtractor.js
index 119dc21..bf02e01 100644
--- a/app/static/js/services/ghostNoteExtractor.js
+++ b/app/static/js/services/ghostNoteExtractor.js
@@ -32,7 +32,7 @@
         var itemStartBeat = item.startTime / secondsPerBeat;
         var itemEndBeat = (item.startTime + item.duration) / secondsPerBeat;
 
-        if (itemStartBeat >= windowEndBeat || itemEndBeat <= windowStartBeat) continue;
+        if (itemStartBeat >= windowEndBeat || itemEndBeat < windowStartBeat) continue;
 
         var notes = item.notes || [];
         for (var k = 0; k < notes.length; k++) {
@@ -40,7 +40,7 @@
           var noteAbsStart = itemStartBeat + (note.start_beat || 0);
           var noteAbsEnd = noteAbsStart + (note.duration_beats || 1);
 
-          if (noteAbsStart >= windowEndBeat || noteAbsEnd <= windowStartBeat) continue;
+          if (noteAbsStart >= windowEndBeat || noteAbsEnd < windowStartBeat) continue;
 
           var clampedStart = Math.max(noteAbsStart, windowStartBeat);
           var clampedEnd = Math.min(noteAbsEnd, windowEndBeat);