diff --git a/models/booking/booking.go b/models/booking/booking.go
index 831f443..4136625 100644
--- a/models/booking/booking.go
+++ b/models/booking/booking.go
@@ -6,7 +6,6 @@ import (
 	"cloud.o-forge.io/core/oc-lib/dbs"
 	"cloud.o-forge.io/core/oc-lib/models/common/enum"
 	"cloud.o-forge.io/core/oc-lib/models/common/models"
-	"cloud.o-forge.io/core/oc-lib/models/common/pricing"
 	"cloud.o-forge.io/core/oc-lib/models/utils"
 	"cloud.o-forge.io/core/oc-lib/tools"
 	"go.mongodb.org/mongo-driver/bson/primitive"
@@ -16,10 +15,10 @@ import (
 * Booking is a struct that represents a booking
  */
 type Booking struct {
-	utils.AbstractObject                       // AbstractObject contains the basic fields of an object (id, name)
-	PricedItem           pricing.PricedItemITF `json:"priced_item,omitempty" bson:"priced_item,omitempty"` // We need to add the validate:"required" tag once the pricing feature is implemented, removed to avoid handling the error
+	utils.AbstractObject                        // AbstractObject contains the basic fields of an object (id, name)
+	PricedItem           map[string]interface{} `json:"priced_item,omitempty" bson:"priced_item,omitempty"` // We need to add the validate:"required" tag once the pricing feature is implemented, removed to avoid handling the error
 
-	ResumeMetrics    map[string]map[string]models.MetricResume `json:"resume_metrics,omitempty" bson:"resume_metrics,omitempty"` 
+	ResumeMetrics    map[string]map[string]models.MetricResume `json:"resume_metrics,omitempty" bson:"resume_metrics,omitempty"`
 	ExecutionMetrics map[string][]models.MetricsSnapshot       `json:"metrics,omitempty" bson:"metrics,omitempty"`
 
 	ExecutionsID      string             `json:"executions_id,omitempty" bson:"executions_id,omitempty" validate:"required"` // ExecutionsID is the ID of the executions
diff --git a/models/workflow_execution/workflow_execution.go b/models/workflow_execution/workflow_execution.go
index 39ef327..6bb2818 100755
--- a/models/workflow_execution/workflow_execution.go
+++ b/models/workflow_execution/workflow_execution.go
@@ -1,6 +1,7 @@
 package workflow_execution
 
 import (
+	"encoding/json"
 	"strings"
 	"time"
 
@@ -141,13 +142,16 @@ func (d *WorkflowExecution) buyEach(bs pricing.BillingStrategy, executionsID str
 		if s := priced.GetLocationStart(); s != nil {
 			start = *s
 		}
+		var m map[string]interface{}
+		b, _ := json.Marshal(priced)
+		json.Unmarshal(b, &m)
 		end := start.Add(time.Duration(priced.GetExplicitDurationInS()) * time.Second)
 		bookingItem := &purchase_resource.PurchaseResource{
 			AbstractObject: utils.AbstractObject{
 				UUID: uuid.New().String(),
 				Name: d.GetName() + "_" + executionsID + "_" + wfID,
 			},
-			PricedItem:   priced,
+			PricedItem:   m,
 			ExecutionsID: executionsID,
 			DestPeerID:   priced.GetCreatorID(),
 			ResourceID:   priced.GetID(),
@@ -189,12 +193,15 @@ func (d *WorkflowExecution) bookEach(executionsID string, wfID string, dt tools.
 			start = *s
 		}
 		end := start.Add(time.Duration(priced.GetExplicitDurationInS()) * time.Second)
+		var m map[string]interface{}
+		b, _ := json.Marshal(priced)
+		json.Unmarshal(b, &m)
 		bookingItem := &booking.Booking{
 			AbstractObject: utils.AbstractObject{
 				UUID: uuid.New().String(),
 				Name: d.GetName() + "_" + executionsID + "_" + wfID,
 			},
-			PricedItem:        priced,
+			PricedItem:        m,
 			ExecutionsID:      executionsID,
 			State:             enum.SCHEDULED,
 			ResourceID:        priced.GetID(),