diff --git a/exporters/zipkin/include/opentelemetry/exporters/zipkin/zipkin_exporter.h b/exporters/zipkin/include/opentelemetry/exporters/zipkin/zipkin_exporter.h
index a69eaf9caf..cb244867d7 100644
--- a/exporters/zipkin/include/opentelemetry/exporters/zipkin/zipkin_exporter.h
+++ b/exporters/zipkin/include/opentelemetry/exporters/zipkin/zipkin_exporter.h
@@ -17,11 +17,11 @@ namespace exporter
 namespace zipkin
 {
 
-const char *kZipkinEndpointDefault = "http://localhost:9411/api/v2/spans";
-
-static const std::string GetDefaultZipkinEndpoint()
+inline const std::string GetDefaultZipkinEndpoint()
 {
   const char *otel_exporter_zipkin_endpoint_env = "OTEL_EXPORTER_ZIPKIN_ENDPOINT";
+  const char *kZipkinEndpointDefault            = "http://localhost:9411/api/v2/spans";
+
 #if defined(_MSC_VER)
   // avoid calling std::getenv which is deprecated in MSVC.
   size_t required_size = 0;
diff --git a/exporters/zipkin/src/recordable.cc b/exporters/zipkin/src/recordable.cc
index bbdc85c548..07d9b09c9d 100644
--- a/exporters/zipkin/src/recordable.cc
+++ b/exporters/zipkin/src/recordable.cc
@@ -225,7 +225,7 @@ void Recordable::SetStartTime(opentelemetry::common::SystemTimestamp start_time)
 
 void Recordable::SetDuration(std::chrono::nanoseconds duration) noexcept
 {
-  span_["duration"] = duration.count();
+  span_["duration"] = std::chrono::duration_cast<std::chrono::microseconds>(duration).count();
 }
 
 void Recordable::SetSpanKind(opentelemetry::trace::SpanKind span_kind) noexcept
diff --git a/exporters/zipkin/test/zipkin_recordable_test.cc b/exporters/zipkin/test/zipkin_recordable_test.cc
index 51ba1024b6..7a5feb8bdb 100644
--- a/exporters/zipkin/test/zipkin_recordable_test.cc
+++ b/exporters/zipkin/test/zipkin_recordable_test.cc
@@ -12,8 +12,6 @@
 #include "opentelemetry/common/timestamp.h"
 #include "opentelemetry/exporters/zipkin/recordable.h"
 
-#include <iostream>
-
 #include <gtest/gtest.h>
 
 namespace trace    = opentelemetry::trace;
@@ -69,16 +67,16 @@ TEST(ZipkinSpanRecordable, SetStartTime)
 
 TEST(ZipkinSpanRecordable, SetDuration)
 {
-  json j_span = {{"duration", 10}, {"timestamp", 0}};
+  std::chrono::nanoseconds durationNS(1000000000);  // in ns
+  std::chrono::microseconds durationMS =
+      std::chrono::duration_cast<std::chrono::microseconds>(durationNS);  // in ms
+  json j_span = {{"duration", durationMS.count()}, {"timestamp", 0}};
   opentelemetry::exporter::zipkin::Recordable rec;
   // Start time is 0
   opentelemetry::common::SystemTimestamp start_timestamp;
 
-  std::chrono::nanoseconds duration(10);
-  uint64_t unix_end = duration.count();
-
   rec.SetStartTime(start_timestamp);
-  rec.SetDuration(duration);
+  rec.SetDuration(durationNS);
   EXPECT_EQ(rec.span(), j_span);
 }