diff --git a/client/lib/cgutil/cpuset_manager_linux.go b/client/lib/cgutil/cpuset_manager_linux.go
index 420d2385f..e0b71cec7 100644
--- a/client/lib/cgutil/cpuset_manager_linux.go
+++ b/client/lib/cgutil/cpuset_manager_linux.go
@@ -156,13 +156,14 @@ func (c *cpusetManager) Init() error {
 		if err != nil {
 			return err
 		}
-		if err := fscommon.WriteFile(filepath.Join(cgroupParentPath, ReservedCpusetCgroupName), "cpuset.mems", parentMems); err != nil {
-			return err
-		}
 	} else if !os.IsExist(err) {
 		return err
 	}
 
+	if err := fscommon.WriteFile(filepath.Join(cgroupParentPath, ReservedCpusetCgroupName), "cpuset.mems", parentMems); err != nil {
+		return err
+	}
+
 	c.doneCh = make(chan struct{})
 	c.signalCh = make(chan struct{})