diff --git a/richtext/plugins/org.polarsys.kitalpha.richtext.widget.tools/src/org/polarsys/kitalpha/richtext/widget/tools/utils/MDERichTextToolsHelper.java b/richtext/plugins/org.polarsys.kitalpha.richtext.widget.tools/src/org/polarsys/kitalpha/richtext/widget/tools/utils/MDERichTextToolsHelper.java
index f509e0aa9..1b5a269f8 100644
--- a/richtext/plugins/org.polarsys.kitalpha.richtext.widget.tools/src/org/polarsys/kitalpha/richtext/widget/tools/utils/MDERichTextToolsHelper.java
+++ b/richtext/plugins/org.polarsys.kitalpha.richtext.widget.tools/src/org/polarsys/kitalpha/richtext/widget/tools/utils/MDERichTextToolsHelper.java
@@ -122,10 +122,16 @@ public static String encodeWhiteSpaces(String input) {
     return replaced;
   }
 
+  public static String decodeWhiteSpaces(String input) {
+    String replaced = input.replaceAll(" ", " ");
+    replaced = input.replaceAll(" ", " ");
+    return replaced;
+  }
+
   private static String replaceAllWhiteSpacesButLast(String input) {
     String result = "";
     for (int i = 0; i < input.length() - 1; i++) {
-      result += "&nbsp;";
+      result += "&#160;";
     }
     result += " ";
     return result;