diff --git a/src/utils/optional_fwd.hpp b/src/utils/optional_fwd.hpp
index 3f1f56962c9..f77a8eeb20a 100644
--- a/src/utils/optional_fwd.hpp
+++ b/src/utils/optional_fwd.hpp
@@ -33,7 +33,7 @@ using std::nullopt;
 using boost::optional;
 
 // Create a new nullopt object equivalent to boost::none to match the STL interface
-constexpr boost::none_t nullopt;
+static const boost::none_t nullopt;
 
 #endif
 } // end namespace utils