diff --git a/drivers/shared/executor/executor_basic.go b/drivers/shared/executor/executor_basic.go
index e96cdcff7ed..b22183cf482 100644
--- a/drivers/shared/executor/executor_basic.go
+++ b/drivers/shared/executor/executor_basic.go
@@ -38,7 +38,7 @@ func withNetworkIsolation(f func() error, _ *drivers.NetworkIsolationSpec) error
 func setCmdUser(*exec.Cmd, string) error { return nil }
 
 func (e *UniversalExecutor) ListProcesses() set.Collection[int] {
-	return procstats.List(e.childCmd.Process.Pid)
+	return procstats.ListByPid(e.childCmd.Process.Pid)
 }
 
 func (e *UniversalExecutor) setSubCmdCgroup(*exec.Cmd, string) (func(), error) {
diff --git a/drivers/shared/executor/executor_universal_linux.go b/drivers/shared/executor/executor_universal_linux.go
index 3c113f6d0c5..576b6ced133 100644
--- a/drivers/shared/executor/executor_universal_linux.go
+++ b/drivers/shared/executor/executor_universal_linux.go
@@ -103,7 +103,13 @@ func (e *UniversalExecutor) setSubCmdCgroup(cmd *exec.Cmd, cgroup string) (func(
 }
 
 func (e *UniversalExecutor) ListProcesses() set.Collection[procstats.ProcessID] {
-	return procstats.List(e.command)
+	switch cgroupslib.GetMode() {
+	case cgroupslib.OFF:
+		// cgroup is unavailable, could possibly due to rootless nomad client
+		return procstats.ListByPid(e.childCmd.Process.Pid)
+	default:
+		return procstats.List(e.command)
+	}
 }
 
 func (e *UniversalExecutor) statCG(cgroup string) (int, func(), error) {
diff --git a/drivers/shared/executor/procstats/list_default.go b/drivers/shared/executor/procstats/list_default.go
index b6df7d386c5..0efd62bf06e 100644
--- a/drivers/shared/executor/procstats/list_default.go
+++ b/drivers/shared/executor/procstats/list_default.go
@@ -1,7 +1,7 @@
 // Copyright (c) HashiCorp, Inc.
 // SPDX-License-Identifier: MPL-2.0
 
-//go:build !linux && !windows
+//go:build !windows
 
 package procstats
 
@@ -15,7 +15,7 @@ import (
 )
 
 // List the process tree starting at the given executorPID
-func List(executorPID int) set.Collection[ProcessID] {
+func ListByPid(executorPID int) set.Collection[ProcessID] {
 	result := set.New[ProcessID](10)
 
 	ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)