diff --git a/internal/controllers/machineset/machineset_controller.go b/internal/controllers/machineset/machineset_controller.go
index 103cd3c58040..848300838ccd 100644
--- a/internal/controllers/machineset/machineset_controller.go
+++ b/internal/controllers/machineset/machineset_controller.go
@@ -114,6 +114,10 @@ func (r *Reconciler) SetupWithManager(ctx context.Context, mgr ctrl.Manager, opt
 	if err != nil {
 		return err
 	}
+	mdToMachineSets, err := util.MachineDeploymentToObjectsMapper(mgr.GetClient(), &clusterv1.MachineSetList{}, mgr.GetScheme())
+	if err != nil {
+		return err
+	}
 
 	err = ctrl.NewControllerManagedBy(mgr).
 		For(&clusterv1.MachineSet{}).
@@ -123,6 +127,10 @@ func (r *Reconciler) SetupWithManager(ctx context.Context, mgr ctrl.Manager, opt
 			&clusterv1.Machine{},
 			handler.EnqueueRequestsFromMapFunc(r.MachineToMachineSets),
 		).
+		Watches(
+			&clusterv1.MachineDeployment{},
+			handler.EnqueueRequestsFromMapFunc(mdToMachineSets),
+		).
 		WithOptions(options).
 		WithEventFilter(predicates.ResourceHasFilterLabel(mgr.GetScheme(), predicateLog, r.WatchFilterValue)).
 		Watches(