diff --git a/compiler/cpp/src/generate/t_html_generator.cc b/compiler/cpp/src/generate/t_html_generator.cc
index 881e0f8..217f451 100644
--- a/compiler/cpp/src/generate/t_html_generator.cc
+++ b/compiler/cpp/src/generate/t_html_generator.cc
@@ -381,7 +381,7 @@
       f_out_ << "&gt;";
     }
   } else if (ttype->is_base_type()) {
-    f_out_ << ttype->get_name();
+    f_out_ << (((t_base_type*)ttype)->is_binary() ? "binary" : ttype->get_name());
     len = ttype->get_name().size();
   } else {
     string prog_name = ttype->get_program()->get_name();