diff --git a/extensions/openpower-pels/registry.hpp b/extensions/openpower-pels/registry.hpp
index c55c624..d75c30a 100644
--- a/extensions/openpower-pels/registry.hpp
+++ b/extensions/openpower-pels/registry.hpp
@@ -99,7 +99,7 @@
     /**
      * @brief The PEL action flags field.
      */
-    uint16_t actionFlags;
+    std::optional<uint16_t> actionFlags;
 
     /**
      * @brief  The optional action flags to use instead when in manufacturing