diff --git a/extensions/openpower-pels/user_header.hpp b/extensions/openpower-pels/user_header.hpp
index a033ac0..50c5824 100644
--- a/extensions/openpower-pels/user_header.hpp
+++ b/extensions/openpower-pels/user_header.hpp
@@ -244,11 +244,11 @@
      *
      * @param[in] severities - The array of {systype, severity}
      *                         structures to find an entry in.
-     * @param[in] systemType - The system type from DataInterface.
+     * @param[in] systemNames - List of compatible system type names
      */
     std::optional<uint8_t>
         getSeverity(const std::vector<message::RegistrySeverity>& severities,
-                    const std::string& systemType) const;
+                    const std::vector<std::string>& systemNames) const;
     /**
      * @brief The subsystem associated with the event.
      */