diff --git a/compiler/cpp/src/generate/t_java_generator.cc b/compiler/cpp/src/generate/t_java_generator.cc
index 4a9dfc9..72e8bab 100644
--- a/compiler/cpp/src/generate/t_java_generator.cc
+++ b/compiler/cpp/src/generate/t_java_generator.cc
@@ -490,7 +490,7 @@
       break;
     case t_base_type::TYPE_DOUBLE:
       if (value->get_type() == t_const_value::CV_INTEGER) {
-        render << value->get_integer();
+        render << "(double)" << value->get_integer();
       } else {
         render << value->get_double();
       }