diff --git a/extensions/openpower-pels/fapi_data_process.cpp b/extensions/openpower-pels/fapi_data_process.cpp
index a658449..13416ae 100644
--- a/extensions/openpower-pels/fapi_data_process.cpp
+++ b/extensions/openpower-pels/fapi_data_process.cpp
@@ -6,7 +6,6 @@
 #include "fapi_data_process.hpp"
 
 #include <attributes_info.H>
-#include <fmt/format.h>
 #include <libphal.H>
 #include <phal_exception.H>
 
@@ -15,6 +14,7 @@
 #include <algorithm>
 #include <cstdlib>
 #include <cstring>
+#include <format>
 #include <iomanip>
 #include <list>
 #include <map>
@@ -120,7 +120,7 @@
     catch (const std::exception& e)
     {
         // log message and continue with default data
-        log<level::ERR>(fmt::format("getLocationCode({}): Exception({})",
+        log<level::ERR>(std::format("getLocationCode({}): Exception({})",
                                     pdbg_target_path(target), e.what())
                             .c_str());
     }
@@ -128,14 +128,14 @@
     if (DT_GET_PROP(ATTR_PHYS_DEV_PATH, target, targetInfo->physDevPath))
     {
         log<level::ERR>(
-            fmt::format("Could not read({}) PHYS_DEV_PATH attribute",
+            std::format("Could not read({}) PHYS_DEV_PATH attribute",
                         pdbg_target_path(target))
                 .c_str());
     }
 
     if (DT_GET_PROP(ATTR_MRU_ID, target, targetInfo->mruId))
     {
-        log<level::ERR>(fmt::format("Could not read({}) ATTR_MRU_ID attribute",
+        log<level::ERR>(std::format("Could not read({}) ATTR_MRU_ID attribute",
                                     pdbg_target_path(target))
                             .c_str());
     }
@@ -167,9 +167,15 @@
                                    &targetInfo);
     if (ret == 0)
     {
-        log<level::ERR>(fmt::format("Given ATTR_PHYS_BIN_PATH value({:02x}) "
+        std::string fmt;
+        for (auto value : targetInfo.physBinPath)
+        {
+            fmt += std::format("{:02X} ", value);
+        }
+
+        log<level::ERR>(std::format("Given ATTR_PHYS_BIN_PATH value {} "
                                     "not found in phal device tree",
-                                    fmt::join(targetInfo.physBinPath, ""))
+                                    fmt)
                             .c_str());
         return false;
     }
@@ -202,7 +208,7 @@
     auto it = priorityMap.find(phalPriority);
     if (it == priorityMap.end())
     {
-        log<level::ERR>(fmt::format("Unsupported phal priority({}) is given "
+        log<level::ERR>(std::format("Unsupported phal priority({}) is given "
                                     "to get pel priority format",
                                     phalPriority)
                             .c_str());
@@ -256,7 +262,7 @@
                                  FFDCData& ffdcUserData)
 {
     log<level::INFO>(
-        fmt::format("processClockInfoErrorHelper: FFDC Message[{}]",
+        std::format("processClockInfoErrorHelper: FFDC Message[{}]",
                     ffdc.message)
             .c_str());
 
@@ -470,7 +476,7 @@
     else if ((ffdc.ffdc_type != FFDC_TYPE_NONE) &&
              (ffdc.ffdc_type != FFDC_TYPE_UNSUPPORTED))
     {
-        log<level::ERR>(fmt::format("Unsupported phal FFDC type to create PEL. "
+        log<level::ERR>(std::format("Unsupported phal FFDC type to create PEL. "
                                     "MSG: {}",
                                     ffdc.message)
                             .c_str());