diff --git a/pkg/volume/testing/testing.go b/pkg/volume/testing/testing.go
index a61a0c6f8d9..c6d32372264 100644
--- a/pkg/volume/testing/testing.go
+++ b/pkg/volume/testing/testing.go
@@ -1131,7 +1131,7 @@ func FindEmptyDirectoryUsageOnTmpfs() (*resource.Quantity, error) {
 		return nil, err
 	}
 	defer os.RemoveAll(tmpDir)
-	out, err := exec.Command("nice", "-n", "19", "du", "-s", "-B", "1", tmpDir).CombinedOutput()
+	out, err := exec.Command("nice", "-n", "19", "du", "-x", "-s", "-B", "1", tmpDir).CombinedOutput()
 	if err != nil {
 		return nil, fmt.Errorf("failed command 'du' on %s with error %v", tmpDir, err)
 	}
diff --git a/pkg/volume/util/fs/fs.go b/pkg/volume/util/fs/fs.go
index 21fb3a21e15..2796e93d19e 100644
--- a/pkg/volume/util/fs/fs.go
+++ b/pkg/volume/util/fs/fs.go
@@ -68,9 +68,9 @@ func DiskUsage(path string) (*resource.Quantity, error) {
 	}
 	// Uses the same niceness level as cadvisor.fs does when running du
 	// Uses -B 1 to always scale to a blocksize of 1 byte
-	out, err := exec.Command("nice", "-n", "19", "du", "-s", "-B", "1", path).CombinedOutput()
+	out, err := exec.Command("nice", "-n", "19", "du", "-x", "-s", "-B", "1", path).CombinedOutput()
 	if err != nil {
-		return nil, fmt.Errorf("failed command 'du' ($ nice -n 19 du -s -B 1) on path %s with error %v", path, err)
+		return nil, fmt.Errorf("failed command 'du' ($ nice -n 19 du -x -s -B 1) on path %s with error %v", path, err)
 	}
 	used, err := resource.ParseQuantity(strings.Fields(string(out))[0])
 	if err != nil {