diff --git a/tools/update-hwdb.sh b/tools/update-hwdb.sh
index 096a10016b..b8614ab880 100755
--- a/tools/update-hwdb.sh
+++ b/tools/update-hwdb.sh
@@ -21,8 +21,8 @@ if [ "${2:-}" != "-n" ]; then (
     curl --fail -L -o ma-large.txt 'http://standards-oui.ieee.org/oui/oui.txt'
     curl --fail -L -o ma-medium.txt 'http://standards-oui.ieee.org/oui28/mam.txt'
     curl --fail -L -o ma-small.txt 'http://standards-oui.ieee.org/oui36/oui36.txt'
-    curl --fail -L -o pnp_id_registry.csv 'https://uefi.org/uefi-pnp-export'
-    curl --fail -L -o acpi_id_registry.csv 'https://uefi.org/uefi-acpi-export'
+    curl -A 'CustomUserAgentString' --fail -L -o pnp_id_registry.csv 'https://uefi.org/uefi-pnp-export'
+    curl -A 'CustomUserAgentString' --fail -L -o acpi_id_registry.csv 'https://uefi.org/uefi-acpi-export'
 ) fi
 
 set -x