diff --git a/src/tracing/tracer.js b/src/tracing/tracer.js
index 5db515b7..5d46d778 100644
--- a/src/tracing/tracer.js
+++ b/src/tracing/tracer.js
@@ -40,6 +40,7 @@ export class Tracer {
       kind,
       parentSpanId,
       spanProcessor: this.spanProcessor,
+      startTime: options.startTime,
     });
     return span;
   }