diff --git a/src/exporter.ts b/src/exporter.ts
index f6f2a42..10317e8 100644
--- a/src/exporter.ts
+++ b/src/exporter.ts
@@ -43,7 +43,10 @@ export class OTLPExporter implements SpanExporter {
 	}
 
 	send(items: any[], onSuccess: () => void, onError: (error: OTLPExporterError) => void): void {
-		const exportMessage = createExportTraceServiceRequest(items)
+		const exportMessage = createExportTraceServiceRequest(items, {
+			useHex: true,
+			useLongBits: false,
+		})
 		const body = JSON.stringify(exportMessage)
 		const params: RequestInit = {
 			method: 'POST',