diff --git a/tools/phosphor-logging/templates/elog-gen-template.mako.hpp b/tools/phosphor-logging/templates/elog-gen-template.mako.hpp
index 0d156ad..878f830 100644
--- a/tools/phosphor-logging/templates/elog-gen-template.mako.hpp
+++ b/tools/phosphor-logging/templates/elog-gen-template.mako.hpp
@@ -133,20 +133,25 @@
     using metadata_types = std::tuple<${meta_string}>;
 
     % if example_yaml:
-    const char* name() const noexcept
+    const char* name() const noexcept override
     {
         return errName;
     }
 
-    const char* description() const noexcept
+    const char* description() const noexcept override
     {
         return errDesc;
     }
 
-    const char* what() const noexcept
+    const char* what() const noexcept override
     {
         return errName;
     }
+
+    int get_errno() const noexcept override
+    {
+        return EIO;
+    }
     % endif
 };