diff --git a/ddtrace/tracer/writer_test.go b/ddtrace/tracer/writer_test.go
index eca77e1c53..35bddc536e 100644
--- a/ddtrace/tracer/writer_test.go
+++ b/ddtrace/tracer/writer_test.go
@@ -388,7 +388,7 @@ func TestTraceWriterFlushRetries(t *testing.T) {
 
 	sentCounts := map[string]int64{
 		"datadog.tracer.decode_error": 1,
-		"datadog.tracer.flush_bytes":  184,
+		"datadog.tracer.flush_bytes":  197,
 		"datadog.tracer.flush_traces": 1,
 	}
 	droppedCounts := map[string]int64{