diff --git a/client/allocrunner/taskrunner/task_runner.go b/client/allocrunner/taskrunner/task_runner.go
index c72ed4c5a..826e34480 100644
--- a/client/allocrunner/taskrunner/task_runner.go
+++ b/client/allocrunner/taskrunner/task_runner.go
@@ -706,8 +706,8 @@ func (tr *TaskRunner) buildTaskConfig() *drivers.TaskConfig {
 		Resources: &drivers.Resources{
 			NomadResources: taskResources,
 			LinuxResources: &drivers.LinuxResources{
-				MemoryLimitBytes: int64(taskResources.Memory.MemoryMB) * 1024 * 1024,
-				CPUShares:        int64(taskResources.Cpu.CpuShares),
+				MemoryLimitBytes: taskResources.Memory.MemoryMB * 1024 * 1024,
+				CPUShares:        taskResources.Cpu.CpuShares,
 				PercentTicks:     float64(taskResources.Cpu.CpuShares) / float64(tr.clientConfig.Node.NodeResources.Cpu.CpuShares),
 			},
 		},
diff --git a/drivers/shared/executor/executor_linux.go b/drivers/shared/executor/executor_linux.go
index 83f405f8e..9a06e1140 100644
--- a/drivers/shared/executor/executor_linux.go
+++ b/drivers/shared/executor/executor_linux.go
@@ -580,7 +580,7 @@ func configureCgroups(cfg *lconfigs.Config, command *ExecCommand) error {
 
 	if mb := command.Resources.NomadResources.Memory.MemoryMB; mb > 0 {
 		// Total amount of memory allowed to consume
-		cfg.Cgroups.Resources.Memory = int64(mb * 1024 * 1024)
+		cfg.Cgroups.Resources.Memory = mb * 1024 * 1024
 		// Disable swap to avoid issues on the machine
 		var memSwappiness uint64
 		cfg.Cgroups.Resources.MemorySwappiness = &memSwappiness