diff --git a/sane/sane_option_trans.cpp b/sane/sane_option_trans.cpp
index 4fc7979..8027002 100644
--- a/sane/sane_option_trans.cpp
+++ b/sane/sane_option_trans.cpp
@@ -214,6 +214,15 @@ namespace sane_opt_trans
 	{
 		VALUE_TO_TWAIN(g_paper_map, val);
 
+		std::string	lat("\xe6\xa8\xaa\xe5\x90\x91"),	// 横向
+					v(to_default_language(val, nullptr));
+		size_t		pos = v.find(lat);
+		if (pos != std::string::npos)
+		{
+			v.erase(pos, lat.length());
+			VALUE_TO_TWAIN(g_paper_map, v.c_str());
+		}
+
 		return -1;
 	}
 	const char* switch_paper_lateral(const char* val)
diff --git a/sane/scanner.cpp b/sane/scanner.cpp
index 64e8a8f..68d67f1 100644
--- a/sane/scanner.cpp
+++ b/sane/scanner.cpp
@@ -1950,6 +1950,7 @@ EX_OPTION_HANDLER_IMPL(paper)
 		int now = sane_opt_trans::paper_to_twain(buf),
 			init = sane_opt_trans::paper_to_twain(def),
 			val = 0;
+		std::vector<int>	exists;
 
 		local_utility::free_memory(def);
 		do
@@ -1960,8 +1961,10 @@ EX_OPTION_HANDLER_IMPL(paper)
 				{
 					value_role role = VAL_ROLE_NONE;
 					val = sane_opt_trans::paper_to_twain(desc->constraint.string_list[i]);
-					if (val == -1)
+					if (val == -1 || std::find(exists.begin(), exists.end(), val) != exists.end())
 						continue;
+
+					exists.push_back(val);
 					if (val == now)
 						role = VAL_ROLE_CURRENT;
 					if (val == init)