Index: code_converter.hpp
===================================================================
--- code_converter.hpp	(revision 75860)
+++ code_converter.hpp	(working copy)
@@ -166,7 +166,7 @@
             buf_.first().resize(buffer_size);
             buf_.first().set(0, 0);
         }
-        if (can_write::value && !is_double::value) {
+        if (can_write::value && is_double::value) {
             buf_.second().resize(buffer_size);
             buf_.second().set(0, 0);
         }