diff --git a/compiler/cpp/src/generate/t_rb_generator.cc b/compiler/cpp/src/generate/t_rb_generator.cc
index 6dcbb5c..708cd42 100644
--- a/compiler/cpp/src/generate/t_rb_generator.cc
+++ b/compiler/cpp/src/generate/t_rb_generator.cc
@@ -989,7 +989,7 @@
   string prefix = "";
 
   string name = ttype->get_name();
-  if (ttype->is_struct() || ttype->is_xception()) {
+  if (ttype->is_struct() || ttype->is_xception() || ttype->is_enum()) {
     name = capitalize(ttype->get_name());
   }