diff --git a/tools/update-hwdb-autosuspend.sh b/tools/update-hwdb-autosuspend.sh
index 9f5e6e393e..75aecb731b 100755
--- a/tools/update-hwdb-autosuspend.sh
+++ b/tools/update-hwdb-autosuspend.sh
@@ -4,7 +4,7 @@ set -eu
 
 cd "${1:?}"
 
-(curl --fail -L 'https://chromium.googlesource.com/chromiumos/platform2/+/master/power_manager/udev/gen_autosuspend_rules.py?format=TEXT'; echo) \
+(curl --fail -L 'https://chromium.googlesource.com/chromiumos/platform2/+/HEAD/power_manager/udev/gen_autosuspend_rules.py?format=TEXT'; echo) \
     | base64 -d >tools/chromiumos/gen_autosuspend_rules.py
 
 (cat <<EOF