diff --git a/extensions/openpower-pels/failing_mtms.cpp b/extensions/openpower-pels/failing_mtms.cpp
index a8b33d3..7355e08 100644
--- a/extensions/openpower-pels/failing_mtms.cpp
+++ b/extensions/openpower-pels/failing_mtms.cpp
@@ -19,10 +19,10 @@
 #include "pel_types.hpp"
 #include "pel_values.hpp"
 
-#include <fmt/format.h>
-
 #include <phosphor-logging/log.hpp>
 
+#include <format>
+
 namespace openpower
 {
 namespace pels
@@ -54,7 +54,7 @@
     catch (const std::exception& e)
     {
         log<level::ERR>(
-            fmt::format("Cannot unflatten failing MTM section: {}", e.what())
+            std::format("Cannot unflatten failing MTM section: {}", e.what())
                 .c_str());
         _valid = false;
     }
@@ -67,14 +67,14 @@
     if (header().id != static_cast<uint16_t>(SectionID::failingMTMS))
     {
         log<level::ERR>(
-            fmt::format("Invalid failing MTMS section ID: {0:#x}", header().id)
+            std::format("Invalid failing MTMS section ID: {0:#x}", header().id)
                 .c_str());
         failed = true;
     }
 
     if (header().version != failingMTMSVersion)
     {
-        log<level::ERR>(fmt::format("Invalid failing MTMS version: {0:#x}",
+        log<level::ERR>(std::format("Invalid failing MTMS version: {0:#x}",
                                     header().version)
                             .c_str());
         failed = true;