diff -urNP truecrypt-5.0-source.org/Platform/StringConverter.cpp truecrypt-5.0-source/Platform/StringConverter.cpp
--- truecrypt-5.0-source.org/Platform/StringConverter.cpp	2008-02-04 13:14:18.000000000 +0200
+++ truecrypt-5.0-source/Platform/StringConverter.cpp	2008-02-09 21:38:23.000000000 +0200
@@ -32,12 +32,14 @@
 		return s.str();
 	}
 
+#if __WORDSIZE == 32
 	wstring StringConverter::FromNumber (int64 number)
 	{
 		wstringstream s;
 		s << number;
 		return s.str();
 	}
+#endif
 
 	wstring StringConverter::FromNumber (int number)
 	{
@@ -60,12 +62,14 @@
 		return s.str();
 	}
 
+#if __WORDSIZE == 32
 	wstring StringConverter::FromNumber (uint64 number)
 	{
 		wstringstream s;
 		s << number;
 		return s.str();
 	}
+#endif
 
 	string StringConverter::GetTrailingNumber (const string &str)
 	{
diff -urNP truecrypt-5.0-source.org/Platform/StringConverter.h truecrypt-5.0-source/Platform/StringConverter.h
--- truecrypt-5.0-source.org/Platform/StringConverter.h	2008-02-04 13:14:16.000000000 +0200
+++ truecrypt-5.0-source/Platform/StringConverter.h	2008-02-09 21:38:03.000000000 +0200
@@ -19,11 +19,15 @@
 	public:
 		static wstring FromNumber (double number);
 		static wstring FromNumber (int number);
+#if __WORDSIZE == 32
 		static wstring FromNumber (int64 number);
+#endif
 		static wstring FromNumber (long number);
 		static wstring FromNumber (unsigned int number);
 		static wstring FromNumber (unsigned long number);
+#if __WORDSIZE == 32
 		static wstring FromNumber (uint64 number);
+#endif
 		static string GetTrailingNumber (const string &str);
 		static string GetTypeName (const type_info &typeInfo);
 		static wstring QuoteSpaces (const wstring &str);