diff --git a/custom/generate-unique-machine-values.sh b/custom/generate-unique-machine-values.sh
index 0e53dbda..a0957ad2 100755
--- a/custom/generate-unique-machine-values.sh
+++ b/custom/generate-unique-machine-values.sh
@@ -222,7 +222,7 @@ build_mac_serial () {
 
 download_vendor_mac_addresses () {
     # download the MAC Address vendor list
-    [ -e "${MAC_ADDRESSES_FILE:=vendor_macs.tsv}" ] || wget -O "${MAC_ADDRESSES_FILE}" https://gitlab.com/wireshark/wireshark/-/raw/master/manuf
+    [ -e "${MAC_ADDRESSES_FILE:=vendor_macs.tsv}" ] || wget -O "${MAC_ADDRESSES_FILE}" https://gitlab.com/wireshark/wireshark/-/raw/release-3.6/manuf
 }
 
 download_qcow_efi_folder () {