diff --git a/src/anbox/cli.h b/src/anbox/cli.h
index b5c58fc..f1831ce 100644
--- a/src/anbox/cli.h
+++ b/src/anbox/cli.h
@@ -154,9 +154,7 @@ class TypedReferenceFlag : public Flag {
   void specify_option(Flag::Specification& spec) override {
     spec = boost::program_options::value<std::string>()->notifier([&](const std::string& s) {
       std::stringstream ss{s};
-      T value;
-      ss >> value;
-      value_ = value;
+      ss >> value_.get();
     });
   }