diff --git a/libcontainer/label/label.go b/libcontainer/label/label.go
index 3df30ef0..97dc6bae 100644
--- a/libcontainer/label/label.go
+++ b/libcontainer/label/label.go
@@ -65,6 +65,11 @@ func Validate(label string) error {
 	return nil
 }
 
+// RelabelNeeded checks whether the user requested a relabel
+func RelabelNeeded(label string) bool {
+	return false
+}
+
 // IsShared checks that the label includes a "shared" mark
 func IsShared(label string) bool {
 	return false
diff --git a/libcontainer/label/label_selinux.go b/libcontainer/label/label_selinux.go
index ea701319..e561cbfe 100644
--- a/libcontainer/label/label_selinux.go
+++ b/libcontainer/label/label_selinux.go
@@ -181,6 +181,11 @@ func Validate(label string) error {
 	return nil
 }
 
+// RelabelNeeded checks whether the user requested a relabel
+func RelabelNeeded(label string) bool {
+	return strings.Contains(label, "z") || strings.Contains(label, "Z")
+}
+
 // IsShared checks that the label includes a "shared" mark
 func IsShared(label string) bool {
 	return strings.Contains(label, "z")