diff --git a/compiler/cpp/src/generate/t_rb_generator.cc b/compiler/cpp/src/generate/t_rb_generator.cc
index ec3666f..6dcbb5c 100644
--- a/compiler/cpp/src/generate/t_rb_generator.cc
+++ b/compiler/cpp/src/generate/t_rb_generator.cc
@@ -707,7 +707,7 @@
   string extends = "";
   string extends_client = "";
   if (tservice->get_extends() != NULL) {
-    extends = type_name(tservice->get_extends());
+    extends = full_type_name(tservice->get_extends());
     extends_client = " < " + extends + "::Client ";
   }
 
@@ -839,7 +839,7 @@
   string extends = "";
   string extends_processor = "";
   if (tservice->get_extends() != NULL) {
-    extends = type_name(tservice->get_extends());
+    extends = full_type_name(tservice->get_extends());
     extends_processor = " < " + extends + "::Processor ";
   }