diff --git a/Source/FileManager/ReplacementCharacters.cs b/Source/FileManager/ReplacementCharacters.cs
index 8c839e4c..7cbdf322 100644
--- a/Source/FileManager/ReplacementCharacters.cs
+++ b/Source/FileManager/ReplacementCharacters.cs
@@ -133,18 +133,20 @@ namespace FileManager
 		{
 			if (toReplace == Replacement.QUOTE_MARK)
 			{
-				if (
-					preceding != default
-					&& !char.IsLetter(preceding)
-					&& !char.IsNumber(preceding)
-					&& (char.IsLetter(succeding) || char.IsNumber(succeding))
+				if (preceding == default ||
+						(preceding != default
+						&& !char.IsLetter(preceding)
+						&& !char.IsNumber(preceding)
+						&& (char.IsLetter(succeding) || char.IsNumber(succeding))
+						)
 					)
 					return OpenQuote;
-				else if (
-					succeding != default
-					&& !char.IsLetter(succeding)
-					&& !char.IsNumber(succeding)
-					&& (char.IsLetter(preceding) || char.IsNumber(preceding))
+				else if (succeding == default ||
+							(succeding != default
+							&& !char.IsLetter(succeding)
+							&& !char.IsNumber(succeding)
+							&& (char.IsLetter(preceding) || char.IsNumber(preceding))
+							)
 						)
 					return CloseQuote;
 				else