diff --git a/OngekiFumenEditor/Base/Collections/MeterChangeList.cs b/OngekiFumenEditor/Base/Collections/MeterChangeList.cs
index 7b27ad00..51ae470e 100644
--- a/OngekiFumenEditor/Base/Collections/MeterChangeList.cs
+++ b/OngekiFumenEditor/Base/Collections/MeterChangeList.cs
@@ -123,7 +123,7 @@ private void UpdateCachedAllTimeSignatureUniformPositionList(BpmList bpmList)
 			removeSet.Clear();
 			foreach (var conflicts in conflictGroups)
 			{
-				removeSet.AddRange(conflicts.Skip(1));
+				removeSet.AddRange(conflicts.SkipLast(1));
 				/*
                 Log.LogDebug("detect meter positions conflict : ");
                 foreach (var item in conflicts)