diff --git a/extensions/openpower-pels/user_header.cpp b/extensions/openpower-pels/user_header.cpp
index e29ffdf..8984dc7 100644
--- a/extensions/openpower-pels/user_header.cpp
+++ b/extensions/openpower-pels/user_header.cpp
@@ -152,18 +152,11 @@
         hostState = iter->second;
     }
 
-    char tmpUhVal[8];
-    sprintf(tmpUhVal, "%d", userHeaderVersion);
-    std::string uhVerStr(tmpUhVal);
-    sprintf(tmpUhVal, "0x%X", _header.componentID);
-    std::string uhCbStr(tmpUhVal);
-    sprintf(tmpUhVal, "%d", _header.subType);
-    std::string uhStStr(tmpUhVal);
-
     std::string uh;
-    jsonInsert(uh, "Section Version", uhVerStr, 1);
-    jsonInsert(uh, "Sub-section type", uhStStr, 1);
-    jsonInsert(uh, "Log Committed by", uhCbStr, 1);
+    jsonInsert(uh, pv::sectionVer, getNumberString("%d", userHeaderVersion), 1);
+    jsonInsert(uh, pv::subSection, getNumberString("%d", _header.subType), 1);
+    jsonInsert(uh, "Log Committed by",
+               getNumberString("0x%X", _header.componentID), 1);
     jsonInsert(uh, "Subsystem", subsystem, 1);
     jsonInsert(uh, "Event Scope", eventScope, 1);
     jsonInsert(uh, "Event Severity", severity, 1);