diff --git a/include/cppcore/misc/flags.inl b/include/cppcore/misc/flags.inl
index 923ed61..f6eaef3 100644
--- a/include/cppcore/misc/flags.inl
+++ b/include/cppcore/misc/flags.inl
@@ -181,7 +181,7 @@ namespace cppcore
     const flags<T_enum, T_base, T_op>& flags<T_enum, T_base, T_op>
         ::empty()
     {
-        const flags value(0);
+        static const flags value(0);
         return value;
     }
 
@@ -189,7 +189,7 @@ namespace cppcore
     const flags<T_enum, T_base, T_op>& flags<T_enum, T_base, T_op>
         ::all()
     {
-        const flags value(std::numeric_limits<base_type>::max());
+        static const flags value(std::numeric_limits<base_type>::max());
         return value;
     }