diff --git a/api/include/opentelemetry/trace/propagation/http_trace_context.h b/api/include/opentelemetry/trace/propagation/http_trace_context.h
index 94ccf2dc23..cccac6a461 100644
--- a/api/include/opentelemetry/trace/propagation/http_trace_context.h
+++ b/api/include/opentelemetry/trace/propagation/http_trace_context.h
@@ -181,20 +181,11 @@ class HttpTraceContext : public HTTPTextFormat<T>
     TraceFlags(span_context.trace_flags()).ToLowerBase16(trace_flags);
     // Note: This is only temporary replacement for appendable string
     std::string hex_string = "00-";
-    for (int i = 0; i < 32; i++)
-    {
-      hex_string.push_back(trace_id[i]);
-    }
-    hex_string.push_back('-');
-    for (int i = 0; i < 16; i++)
-    {
-      hex_string.push_back(span_id[i]);
-    }
-    hex_string.push_back('-');
-    for (int i = 0; i < 2; i++)
-    {
-      hex_string.push_back(trace_flags[i]);
-    }
+    hex_string += trace_id;
+    hex_string += '-';
+    hex_string += span_id;
+    hex_string += '-';
+    hex_string += trace_flags;
     setter(carrier, kTraceParent, hex_string);
   }