diff --git a/src/cxxopts.hpp b/src/cxxopts.hpp
index fe77a6b..d0057a9 100644
--- a/src/cxxopts.hpp
+++ b/src/cxxopts.hpp
@@ -586,7 +586,11 @@ namespace cxxopts
     const T&
     as() const
     {
+#ifdef CXXOPTS_NO_RTTI
+      return static_cast<const values::standard_value<T>&>(*m_value).get();
+#else
       return dynamic_cast<const values::standard_value<T>&>(*m_value).get();
+#endif
     }
 
     private: