diff --git a/binding.gyp b/binding.gyp
index 0b3240d4..9da20c14 100644
--- a/binding.gyp
+++ b/binding.gyp
@@ -44,7 +44,7 @@
       }],
       ['OS in "os390 zos"', {
         "defines": [ "_ZOS", "_UNIX03_THREADS" ],
-        "cflags_cc": ['-Wc,EXPORTALL'],
+        "cflags_cc": ['-Wc,EXPORTALL', '-qnoconvlit'],
         'cflags!': [ '-fno-omit-frame-pointer' ],
       }],
       ['OS=="linux"', {
diff --git a/src/appmetrics.cpp b/src/appmetrics.cpp
index 263bcf2e..bbae4804 100644
--- a/src/appmetrics.cpp
+++ b/src/appmetrics.cpp
@@ -759,7 +759,7 @@ void init(Local<Object> exports, Local<Object> module) {
      * Log startup message with version information
      */
     std::stringstream msg;
-    msg << "Node Application Metrics " << APPMETRICS_VERSION << " (Agent Core " << nativeString(loaderApi->getAgentVersion()) << ")";
+    msg << "Node Application Metrics " << APPMETRICS_VERSION << " (Agent Core " << loaderApi->getAgentVersion() << ")";
     loaderApi->logMessage(info, msg.str().c_str());
 }