diff --git a/extensions/openpower-pels/failing_mtms.hpp b/extensions/openpower-pels/failing_mtms.hpp
index 4206b6a..71722d9 100644
--- a/extensions/openpower-pels/failing_mtms.hpp
+++ b/extensions/openpower-pels/failing_mtms.hpp
@@ -96,7 +96,7 @@
      *
      * Updates _valid (in Section) with the results.
      */
-    void validate() override;
+    void validate();
 
     /**
      * @brief Fills in the object from the stream data