diff --git a/plugins/dfu/dfu-target.c b/plugins/dfu/dfu-target.c
index b4099e1d8..38769eba9 100644
--- a/plugins/dfu/dfu-target.c
+++ b/plugins/dfu/dfu-target.c
@@ -724,12 +724,8 @@ dfu_target_download_chunk (DfuTarget *target, guint16 index, GBytes *bytes, GErr
 	gsize actual_length;
 
 	/* low level packet debugging */
-	if (g_getenv ("FWUPD_DFU_VERBOSE") != NULL) {
-		gsize sz = 0;
-		const guint8 *data = g_bytes_get_data (bytes, &sz);
-		for (gsize i = 0; i < sz; i++)
-			g_print ("Message: m[%" G_GSIZE_FORMAT "] = 0x%02x\n", i, (guint) data[i]);
-	}
+	if (g_getenv ("FWUPD_DFU_VERBOSE") != NULL)
+		fu_common_dump_bytes (G_LOG_DOMAIN, "Message", bytes);
 
 	if (!g_usb_device_control_transfer (usb_device,
 					    G_USB_DEVICE_DIRECTION_HOST_TO_DEVICE,
@@ -817,10 +813,8 @@ dfu_target_upload_chunk (DfuTarget *target, guint16 index, gsize buf_sz, GError
 	}
 
 	/* low level packet debugging */
-	if (g_getenv ("FWUPD_DFU_VERBOSE") != NULL) {
-		for (gsize i = 0; i < actual_length; i++)
-			g_print ("Message: r[%" G_GSIZE_FORMAT "] = 0x%02x\n", i, (guint) buf[i]);
-	}
+	if (g_getenv ("FWUPD_DFU_VERBOSE") != NULL)
+		fu_common_dump_raw (G_LOG_DOMAIN, "Message", buf, actual_length);
 
 	return g_bytes_new_take (buf, actual_length);
 }