diff --git a/source/funkin/data/song/SongNoteDataUtils.hx b/source/funkin/data/song/SongNoteDataUtils.hx
index 5a9a3e8c2a..d005593cf3 100644
--- a/source/funkin/data/song/SongNoteDataUtils.hx
+++ b/source/funkin/data/song/SongNoteDataUtils.hx
@@ -125,6 +125,7 @@ class SongNoteDataUtils
         var noteA:SongNoteData = lhs[j];
         if (doNotesStack(noteA, noteB, threshold))
         {
+          // Longer hold notes should have priority over shorter hold notes
           if (noteA.length <= noteB.length)
           {
             overwrittenNotes?.push(result[j].clone());
@@ -145,9 +146,8 @@ class SongNoteDataUtils
    * @param threshold Time difference in milliseconds.
    * @return Returns `true` if both notes are on the same strumline, have the same direction and their time difference is less than `threshold`.
    */
-  public static function doNotesStack(noteA:SongNoteData, noteB:SongNoteData, threshold:Float = 20):Bool
+  public static inline function doNotesStack(noteA:SongNoteData, noteB:SongNoteData, threshold:Float = 20):Bool
   {
-    // TODO: Make this function inline again when I'm done debugging.
     return noteA.data == noteB.data && Math.ffloor(Math.abs(noteA.time - noteB.time)) <= threshold;
   }
 }
diff --git a/source/funkin/ui/debug/charting/commands/PasteItemsCommand.hx b/source/funkin/ui/debug/charting/commands/PasteItemsCommand.hx
index d9c671e890..23bee6071d 100644
--- a/source/funkin/ui/debug/charting/commands/PasteItemsCommand.hx
+++ b/source/funkin/ui/debug/charting/commands/PasteItemsCommand.hx
@@ -44,10 +44,10 @@ class PasteItemsCommand implements ChartEditorCommand
     addedEvents = SongDataUtils.offsetSongEventData(currentClipboard.events, Std.int(targetTimestamp));
     addedEvents = SongDataUtils.clampSongEventData(addedEvents, 0.0, msCutoff);
 
-    var noteConcat:Array<SongNoteData> = SongNoteDataUtils.concatOverwrite(state.currentSongChartNoteData, addedNotes, removedNotes,
+    var mergedNotes:Array<SongNoteData> = SongNoteDataUtils.concatOverwrite(state.currentSongChartNoteData, addedNotes, removedNotes,
       ChartEditorState.stackNoteThreshold);
 
-    state.currentSongChartNoteData = noteConcat;
+    state.currentSongChartNoteData = mergedNotes;
     state.currentSongChartEventData = state.currentSongChartEventData.concat(addedEvents);
     state.currentNoteSelection = addedNotes.copy();
     state.currentEventSelection = addedEvents.copy();
@@ -58,7 +58,6 @@ class PasteItemsCommand implements ChartEditorCommand
 
     state.sortChartData();
 
-    // FIXME: execute() is reused as a redo function so these messages show up even when not actually pasting
     if (removedNotes.length > 0) state.warning('Paste Successful', 'However overlapped notes were overwritten.');
     else
       state.success('Paste Successful', 'Successfully pasted clipboard contents.');
@@ -68,7 +67,8 @@ class PasteItemsCommand implements ChartEditorCommand
   {
     state.playSound(Paths.sound('chartingSounds/undo'));
 
-    state.currentSongChartNoteData = SongDataUtils.subtractNotes(state.currentSongChartNoteData, addedNotes).concat(removedNotes);
+    state.currentSongChartNoteData = SongDataUtils.subtractNotes(state.currentSongChartNoteData, addedNotes);
+    state.currentSongChartNoteData = SongNoteDataUtils.concatOverwrite(state.currentSongChartNoteData, removedNotes, ChartEditorState.stackNoteThreshold);
     state.currentSongChartEventData = SongDataUtils.subtractEvents(state.currentSongChartEventData, addedEvents);
     state.currentNoteSelection = removedNotes.copy();
     state.currentEventSelection = [];