diff --git a/proprietary-files.txt b/proprietary-files.txt
index 021f10adcbb772bc758902ad85f8fd4b1a2387e2..9a5c7963da2ef8118324f4fd01937193269e13ba 100644
--- a/proprietary-files.txt
+++ b/proprietary-files.txt
@@ -303,6 +303,7 @@ vendor/etc/data/netmgr_config.xml
 vendor/etc/default.lm
 vendor/etc/default_volume_tables.xml
 vendor/etc/device_features/curtana.xml
+vendor/etc/Diag.cfg
 vendor/etc/elliptic_sensor.xml
 vendor/etc/flp.conf
 vendor/etc/gpfspath_oem_config.xml