From d5edbecc82fe77b1b15eb4065e6e05bbc36b8a67 Mon Sep 17 00:00:00 2001
From: Tianlin Zhao <tianlinzhao@google.com>
Date: Thu, 20 Aug 2020 13:48:02 -0400
Subject: [PATCH] resolving Null issue of span

---
 .../opentelemetry/trace/propagation/http_trace_context.h        | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/api/include/opentelemetry/trace/propagation/http_trace_context.h b/api/include/opentelemetry/trace/propagation/http_trace_context.h
index 41a7a711ec..f803cafa6d 100644
--- a/api/include/opentelemetry/trace/propagation/http_trace_context.h
+++ b/api/include/opentelemetry/trace/propagation/http_trace_context.h
@@ -91,7 +91,7 @@ class HttpTraceContext : public HTTPTextFormat<T>
     {
       return;
     }
-    span_context = nostd::get<int>(span).GetContext();
+    span_context = nostd::get<nostd::shared_ptr<trace::Span>>(span).get().GetContext();
   }
 
   static TraceId GenerateTraceIdFromString(nostd::string_view trace_id)