diff --git a/word/Editor/Document.js b/word/Editor/Document.js
index ca0beaf2c7..e6343139f6 100644
--- a/word/Editor/Document.js
+++ b/word/Editor/Document.js
@@ -1408,7 +1408,7 @@ function CDocument(DrawingDocument, isMainLogicDocument)
 	this.CompileStyleOnLoad        = false; // Компилировать ли принудительно стили во время загрузки
 	this.SmartParagraphSelection   = true;  // Выделять ли автоматически знак параграфа, когда все содержимое параграфа выделено
 	this.PreventPreDelete          = false; // Заглушка на случай, когда удаляемые объекты, не удаляются, а переносятся
-	this.ClearNotesOnPreDelete     = true;  // Очищать ли сноски при удалении (выключаем, при сплите параграфа)
+	this.ClearNotesOnPreDelete     = true;  // Очищать ли сноски при удалении (выключаем, при сплите параграфа) // TODO: Объединить с PreventPreDelete
 
 	this.DrawTableMode = {
 		Start  : false,
diff --git a/word/Editor/Paragraph/RunContent/FootnoteReference.js b/word/Editor/Paragraph/RunContent/FootnoteReference.js
index 675c7cbc79..cf95698492 100644
--- a/word/Editor/Paragraph/RunContent/FootnoteReference.js
+++ b/word/Editor/Paragraph/RunContent/FootnoteReference.js
@@ -293,7 +293,8 @@
 		
 		let logicDocument = paragraph ? paragraph.GetTopDocumentContent() : null;
 		if (!logicDocument
-			|| !(logicDocument instanceof AscWord.CDocument)
+			|| !logicDocument.IsDocumentEditor()
+			|| logicDocument.isPreventedPreDelete()
 			|| false === logicDocument.ClearNotesOnPreDelete)
 			return;
 		
diff --git a/word/Editor/Run.js b/word/Editor/Run.js
index cd42869946..8fd2e1d3ef 100644
--- a/word/Editor/Run.js
+++ b/word/Editor/Run.js
@@ -12143,6 +12143,15 @@ ParaRun.prototype.CopyTextFormContent = function(oRun)
  */
 ParaRun.prototype.ConvertFootnoteType = function(isToFootnote, oStyles, oFootnote, oRef)
 {
+	let _t = this;
+	function replaceRef(pos, newRef)
+	{
+		AscCommon.executeNoPreDelete(function(){
+			_t.RemoveFromContent(pos, 1);
+			_t.AddToContent(pos, newRef);
+		}, _t.GetLogicDocument());
+	}
+	
 	var sRStyle = this.GetRStyle();
 	if (isToFootnote)
 	{
@@ -12151,21 +12160,15 @@ ParaRun.prototype.ConvertFootnoteType = function(isToFootnote, oStyles, oFootnot
 		else if (sRStyle === oStyles.GetDefaultEndnoteReference())
 			this.SetRStyle(oStyles.GetDefaultFootnoteReference());
 
-		for (var nCurPos = 0, nCount = this.Content.length; nCurPos < nCount; ++nCurPos)
+		for (let nCurPos = 0, nCount = this.Content.length; nCurPos < nCount; ++nCurPos)
 		{
-			var oElement = this.Content[nCurPos];
+			let oElement = this.Content[nCurPos];
 			if (!oRef || oRef === oElement)
 			{
 				if (para_EndnoteReference === oElement.Type)
-				{
-					this.RemoveFromContent(nCurPos, 1);
-					this.AddToContent(nCurPos, new AscWord.CRunFootnoteReference(oFootnote, oElement.CustomMark));
-				}
+					replaceRef(nCurPos, new AscWord.CRunFootnoteReference(oFootnote, oElement.CustomMark));
 				else if (para_EndnoteRef === oElement.Type)
-				{
-					this.RemoveFromContent(nCurPos, 1);
-					this.AddToContent(nCurPos, new AscWord.CRunFootnoteRef(oFootnote));
-				}
+					replaceRef(nCurPos, new AscWord.CRunFootnoteRef(oFootnote));
 			}
 		}
 	}
@@ -12176,21 +12179,15 @@ ParaRun.prototype.ConvertFootnoteType = function(isToFootnote, oStyles, oFootnot
 		else if (sRStyle === oStyles.GetDefaultFootnoteReference())
 			this.SetRStyle(oStyles.GetDefaultEndnoteReference());
 
-		for (var nCurPos = 0, nCount = this.Content.length; nCurPos < nCount; ++nCurPos)
+		for (let nCurPos = 0, nCount = this.Content.length; nCurPos < nCount; ++nCurPos)
 		{
-			var oElement = this.Content[nCurPos];
+			let oElement = this.Content[nCurPos];
 			if (!oRef || oRef === oElement)
 			{
 				if (para_FootnoteReference === oElement.Type)
-				{
-					this.RemoveFromContent(nCurPos, 1);
-					this.AddToContent(nCurPos, new AscWord.CRunEndnoteReference(oFootnote, oElement.CustomMark));
-				}
+					replaceRef(nCurPos, new AscWord.CRunEndnoteReference(oFootnote, oElement.CustomMark));
 				else if (para_FootnoteRef === oElement.Type)
-				{
-					this.RemoveFromContent(nCurPos, 1);
-					this.AddToContent(nCurPos, new AscWord.CRunEndnoteRef(oFootnote));
-				}
+					replaceRef(nCurPos, new AscWord.CRunEndnoteRef(oFootnote));
 			}
 		}
 	}