diff --git a/MigraDocCore.DocumentObjectModel/MigraDoc.DocumentObjectModel.Visitors/PdfFlattenVisitor.cs b/MigraDocCore.DocumentObjectModel/MigraDoc.DocumentObjectModel.Visitors/PdfFlattenVisitor.cs
index 4143e638..054fa63e 100644
--- a/MigraDocCore.DocumentObjectModel/MigraDoc.DocumentObjectModel.Visitors/PdfFlattenVisitor.cs
+++ b/MigraDocCore.DocumentObjectModel/MigraDoc.DocumentObjectModel.Visitors/PdfFlattenVisitor.cs
@@ -118,20 +118,21 @@ internal override void VisitDocumentObjectCollection(DocumentObjectCollection el
                 ++insertedObjects;
                 break;
 
+              case Chars.ZeroWidthSpace:
               case '-': //minus
                 elements.InsertObject(idx + insertedObjects, new Text(currentString + ch));
                 ++insertedObjects;
                 currentString = "";
                 break;
 
-              case '­': //soft hyphen
+              case Chars.SoftHyphen: //soft hyphen
                 if (currentString != "")
                 {
                   elements.InsertObject(idx + insertedObjects, new Text(currentString));
                   ++insertedObjects;
                   currentString = "";
                 }
-                elements.InsertObject(idx + insertedObjects, new Text("­"));
+                elements.InsertObject(idx + insertedObjects, new Text(new string(Chars.SoftHyphen, 1)));
                 ++insertedObjects;
                 currentString = "";
                 break;
diff --git a/MigraDocCore.DocumentObjectModel/MigraDoc/MigraDoc.DocumentObjectModel/Chars.cs b/MigraDocCore.DocumentObjectModel/MigraDoc/MigraDoc.DocumentObjectModel/Chars.cs
index 13e3709c..9bd963a1 100644
--- a/MigraDocCore.DocumentObjectModel/MigraDoc/MigraDoc.DocumentObjectModel/Chars.cs
+++ b/MigraDocCore.DocumentObjectModel/MigraDoc/MigraDoc.DocumentObjectModel/Chars.cs
@@ -77,7 +77,8 @@ public sealed class Chars
     public const char NumberSign = '#';
     public const char Question = '?';
     public const char Hyphen = '-';  // char(45)
-    public const char SoftHyphen = '­';  // char(173)
+    public const char SoftHyphen = '\u00ad';  // char(173)
     public const char Currency = '¤';
+    public const char ZeroWidthSpace = '\u200b';
   }
 }