1 files changed, 4 insertions, 0 deletions
diff --git a/decoder/tdict.cc b/decoder/tdict.cc
index d7fc7eb7..43bc4cbd 100644
--- a/decoder/tdict.cc
+++ b/decoder/tdict.cc
@@ -50,9 +50,13 @@ struct add_wordids {
   typedef std::vector<WordID> Ws;
   Ws *ids;
   explicit add_wordids(Ws *i) : ids(i) {  }
+  add_wordids(const add_wordids& o) : ids(o.ids) {  }
   void operator()(char const* s) {
     ids->push_back(TD::Convert(s));
   }
+  void operator()(std::string const& s) {
+    ids->push_back(TD::Convert(s));
+  }
 };
 
 }