diff --git a/compiler/cpp/src/thrift.y b/compiler/cpp/src/thrift.y
index e738180..f2fd790 100644
--- a/compiler/cpp/src/thrift.y
+++ b/compiler/cpp/src/thrift.y
@@ -394,6 +394,11 @@
       pdebug("BaseType -> tok_i64");
       $$ = g_program->get_i64_type();
     }
+| tok_double
+    {
+      pdebug("BaseType -> tok_double");
+      $$ = g_program->get_double_type();
+    }
 
 ContainerType:
   MapType