diff --git a/engine/hatchery/kubernetes/kill_workers.go b/engine/hatchery/kubernetes/kill_workers.go
index d645000ea7..59db56417b 100644
--- a/engine/hatchery/kubernetes/kill_workers.go
+++ b/engine/hatchery/kubernetes/kill_workers.go
@@ -88,7 +88,7 @@ func (h *HatcheryKubernetes) killAwolWorkers(ctx context.Context) error {
 					}
 				}
 
-				if err := hatchery.CheckWorkerModelRegister(h, modelPath); err != nil {
+				if err := hatchery.CheckWorkerModelRegister(ctx, h, modelPath); err != nil {
 					var spawnErr = sdk.SpawnErrorForm{
 						Error: err.Error(),
 					}
diff --git a/engine/hatchery/marathon/marathon.go b/engine/hatchery/marathon/marathon.go
index 9ceaf38a35..a7b172a155 100644
--- a/engine/hatchery/marathon/marathon.go
+++ b/engine/hatchery/marathon/marathon.go
@@ -578,7 +578,7 @@ func (h *HatcheryMarathon) killAwolWorkers() error {
 			// If its a worker "register", check registration before deleting it
 			if strings.HasPrefix(app.ID, "register-") && app.Env != nil {
 				model := (*app.Env)["CDS_MODEL_PATH"]
-				if err := hatchery.CheckWorkerModelRegister(h, model); err != nil {
+				if err := hatchery.CheckWorkerModelRegister(ctx, h, model); err != nil {
 					var spawnErr = sdk.SpawnErrorForm{
 						Error: err.Error(),
 					}
diff --git a/engine/hatchery/openstack/openstack.go b/engine/hatchery/openstack/openstack.go
index ac890c8509..6773250a5d 100644
--- a/engine/hatchery/openstack/openstack.go
+++ b/engine/hatchery/openstack/openstack.go
@@ -465,7 +465,7 @@ func (h *HatcheryOpenstack) deleteServer(ctx context.Context, s servers.Server)
 		if err != nil {
 			log.Error(ctx, "killAndRemove> unable to get console log from registering server %s: %v", s.Name, err)
 		}
-		if err := hatchery.CheckWorkerModelRegister(h, modelPath); err != nil {
+		if err := hatchery.CheckWorkerModelRegister(ctx, h, modelPath); err != nil {
 			var spawnErr = sdk.SpawnErrorForm{
 				Error: err.Error(),
 				Logs:  []byte(consoleLog),
diff --git a/engine/hatchery/swarm/swarm_util_kill.go b/engine/hatchery/swarm/swarm_util_kill.go
index d853452331..47eed481bb 100644
--- a/engine/hatchery/swarm/swarm_util_kill.go
+++ b/engine/hatchery/swarm/swarm_util_kill.go
@@ -38,7 +38,7 @@ func (h *HatcherySwarm) killAndRemove(ctx context.Context, dockerClient *dockerC
 		if strings.HasPrefix(container.Name, "/register-") {
 			modelPath := container.Config.Labels["worker_model_path"]
 
-			if err := hatchery.CheckWorkerModelRegister(h, modelPath); err != nil {
+			if err := hatchery.CheckWorkerModelRegister(ctx, h, modelPath); err != nil {
 				ctx, cancel := context.WithTimeout(context.Background(), time.Minute*2)
 				defer cancel()
 				logsOpts := types.ContainerLogsOptions{
diff --git a/engine/hatchery/vsphere/client.go b/engine/hatchery/vsphere/client.go
index 2f24faafd9..52906f0944 100644
--- a/engine/hatchery/vsphere/client.go
+++ b/engine/hatchery/vsphere/client.go
@@ -150,7 +150,7 @@ func (h *HatcheryVSphere) deleteServer(ctx context.Context, s mo.VirtualMachine)
 	}
 
 	if strings.HasPrefix(s.Name, "register-") {
-		if err := hatchery.CheckWorkerModelRegister(h, annot.WorkerModelPath); err != nil {
+		if err := hatchery.CheckWorkerModelRegister(ctx, h, annot.WorkerModelPath); err != nil {
 			var spawnErr = sdk.SpawnErrorForm{
 				Error: err.Error(),
 			}
diff --git a/sdk/hatchery/register.go b/sdk/hatchery/register.go
index 13d48531f1..92643d21e1 100644
--- a/sdk/hatchery/register.go
+++ b/sdk/hatchery/register.go
@@ -92,7 +92,7 @@ loopModels:
 }
 
 // CheckWorkerModelRegister checks if a model has been registered, if not it raises an error on the API
-func CheckWorkerModelRegister(h Interface, modelPath string) error {
+func CheckWorkerModelRegister(ctx context.Context, h Interface, modelPath string) error {
 	var sendError bool
 	for i := range models {
 		if models[i].Group.Name+"/"+models[i].Name == modelPath {
@@ -100,7 +100,32 @@ func CheckWorkerModelRegister(h Interface, modelPath string) error {
 			break
 		}
 	}
+	if !sendError {
+		// need registration is false, no error to return
+		return nil
+	}
+
+	// it's need registration = true ->
+	// perhaps that the models list is not up to date
+	// so, we call a fresh model list to re-check the flag need registration known by the api
+	hWithModels, isWithModels := h.(InterfaceWithModels)
+	if isWithModels {
+		modelsFresh, errwm := hWithModels.WorkerModelsEnabled()
+		if errwm != nil {
+			log.Error(ctx, "error on h.CheckWorkerModelRegister(): %v", errwm)
+			return errwm
+		}
+
+		for i := range modelsFresh {
+			if modelsFresh[i].Group.Name+"/"+modelsFresh[i].Name == modelPath {
+				sendError = modelsFresh[i].NeedRegistration
+				break
+			}
+		}
+	}
+
 	if sendError {
+		// need registration stay to true, even after a fresh call to api -> error
 		return sdk.WithStack(sdk.ErrWorkerModelDeploymentFailed)
 	}
 	return nil