diff --git a/dic/encoding.cpp b/dic/encoding.cpp
index 207d819..5e974bc 100644
--- a/dic/encoding.cpp
+++ b/dic/encoding.cpp
@@ -181,17 +181,7 @@ string convertToMb(const wstring& iWStr)
 
 string convertToMb(wchar_t iWChar)
 {
-#ifdef WIN32
     return convertToMb(wstring(1, iWChar));
-#else
-    char res[MB_CUR_MAX + 1];
-    int len = wctomb(res, iWChar);
-    if (len == -1)
-        return "";
-    res[len] = '\0';
-
-    return res;
-#endif
 }
 
 
diff --git a/game/game_io.cpp b/game/game_io.cpp
index de233c9..49648ca 100644
--- a/game/game_io.cpp
+++ b/game/game_io.cpp
@@ -327,7 +327,7 @@ Game* Game::gameLoadFormat_15(FILE *fin, const Dictionary& iDic)
         int pts;
         unsigned int player;
         char bonus = 0;
-        int res = sscanf(buff, "   %2d | %8s | %s | %3s | %3d | %1d | %c",
+        int res = sscanf(buff, "   %2d | %8s | %s | %3s | %3d | %1u | %c",
                          &num, rack, tmpWord, ref, &pts, &player, &bonus);
 
         debug("   -- line %s",buff);
diff --git a/game/rack.cpp b/game/rack.cpp
index cb4c3cb..ac236e5 100644
--- a/game/rack.cpp
+++ b/game/rack.cpp
@@ -68,7 +68,7 @@ void Rack::getTiles(vector<Tile> &oTiles) const
 }
 
 
-wstring Rack::toString()
+wstring Rack::toString() const
 {
     wstring rs;
     for (unsigned int i = 1; i < m_tiles.size(); i++)
diff --git a/game/rack.h b/game/rack.h
index 7caac53..8a6c4b1 100644
--- a/game/rack.h
+++ b/game/rack.h
@@ -55,7 +55,7 @@ public:
     void clear();
     void getTiles(vector<Tile> &oTiles) const;
 
-    wstring toString();
+    wstring toString() const;
 
 private:
     /// Vector indexed by tile codes, containing the number of tiles