diff --git a/game/xml_reader.cpp b/game/xml_reader.cpp
index c7980c0..1d7748f 100644
--- a/game/xml_reader.cpp
+++ b/game/xml_reader.cpp
@@ -19,6 +19,7 @@
  *****************************************************************************/
 
 #include <fstream>
+#include <algorithm>
 #include <SAX/XMLReader.hpp>
 #include <SAX/InputSource.hpp>
 
@@ -202,7 +203,13 @@ void XmlReader::endElement(const string& namespaceURI,
     {
         if (tag == "Letters")
         {
-            if (m_dic.getHeader().getLetters() != fromUtf8(m_data))
+            const wdstring & displayLetters = m_dic.convertToDisplay(m_dic.getHeader().getLetters());
+            // Remove spaces
+            string::iterator it;
+            it = remove(m_data.begin(), m_data.end(), L' ');
+            m_data.erase(it, m_data.end());
+            // Compare
+            if (displayLetters != fromUtf8(m_data))
                 throw LoadGameException("The current dictionary is different from the one used in the saved game");
         }
         else if (tag == "WordNb")
diff --git a/game/xml_writer.cpp b/game/xml_writer.cpp
index 5cc2b27..e5597ea 100644
--- a/game/xml_writer.cpp
+++ b/game/xml_writer.cpp
@@ -116,7 +116,14 @@ void XmlWriter::write(const Game &iGame, const string &iFileName)
     else
         throw SaveGameException("Invalid dictionary type");
     out << "</Type>" << endl;
-    out << indent << "<Letters>" << toUtf8(header.getLetters()) << "</Letters>" << endl;
+    // Retrieve the dictionary letters, ans separate them with spaces
+    wstring lettersWithSpaces = header.getLetters();
+    for (size_t i = lettersWithSpaces.size() - 1; i > 0; --i)
+        lettersWithSpaces.insert(i, 1, L' ');
+    // Convert to a display string
+    const wstring &displayLetters =
+        iGame.getDic().convertToDisplay(lettersWithSpaces);
+    out << indent << "<Letters>" << toUtf8(displayLetters) << "</Letters>" << endl;
     out << indent << "<WordNb>" << header.getNbWords() << "</WordNb>" << endl;
     removeIndent(indent);
     out << indent << "</Dictionary>" << endl;