diff --git a/bisect-gem5-linux-boot b/bisect-gem5-linux-boot
index edc61960..e11c5e4a 100755
--- a/bisect-gem5-linux-boot
+++ b/bisect-gem5-linux-boot
@@ -2,12 +2,12 @@
 # https://cirosantilli.com/linux-kernel-module-cheat#bisection
 set -eu
 root_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null 2>&1 && pwd)"
-"${root_dir}/build-gem5" --arch aarch64 --gem5-build-id bisect --clean
-"${root_dir}/build-gem5" --arch aarch64 --gem5-build-id bisect
+"${root_dir}/build-gem5" --arch aarch64 --gem5-worktree bisect --clean
+"${root_dir}/build-gem5" --arch aarch64 --gem5-worktree bisect
 set +e
 # Setup for quick failures:
 # https://stackoverflow.com/questions/4713088/how-to-use-git-bisect/22592593#22592593
-timeout 400 "${root_dir}/run" --emulator gem5 --gem5-build-id bisect --quit-after-boot "$@"
+timeout 5 "${root_dir}/run" --emulator gem5 --gem5-worktree bisect --quit-after-boot "$@"
 if [ $? -ne 124 ]; then
   exit 1
 fi