diff --git a/ddtrace/tracer/writer_test.go b/ddtrace/tracer/writer_test.go
index 35e68b921c..a9fc0f5a2d 100644
--- a/ddtrace/tracer/writer_test.go
+++ b/ddtrace/tracer/writer_test.go
@@ -393,7 +393,7 @@ func TestTraceWriterFlushRetries(t *testing.T) {
 
 	sentCounts := map[string]int64{
 		"datadog.tracer.decode_error": 1,
-		"datadog.tracer.flush_bytes":  185,
+		"datadog.tracer.flush_bytes":  197,
 		"datadog.tracer.flush_traces": 1,
 	}
 	droppedCounts := map[string]int64{