diff --git a/models/workflow/workflow_mongo_accessor.go b/models/workflow/workflow_mongo_accessor.go
index 4d24e07..1fb3e0b 100644
--- a/models/workflow/workflow_mongo_accessor.go
+++ b/models/workflow/workflow_mongo_accessor.go
@@ -51,7 +51,7 @@ func (wfa *workflowMongoAccessor) execution(realData *Workflow, delete bool) (in
 				obj := &workflow_execution.WorkflowExecution{
 					ExecDate:   &s,
 					EndDate:    realData.Schedule.End,
-					State:      workflow_execution.SCHEDULED,
+					State:      workflow_execution.SCHEDULED.EnumIndex(),
 					WorkflowID: realData.UUID,
 				}
 				accessor.StoreOne(obj)
@@ -61,7 +61,7 @@ func (wfa *workflowMongoAccessor) execution(realData *Workflow, delete bool) (in
 			obj := &workflow_execution.WorkflowExecution{
 				ExecDate:   realData.Schedule.Start,
 				EndDate:    realData.Schedule.End,
-				State:      workflow_execution.SCHEDULED,
+				State:      workflow_execution.SCHEDULED.EnumIndex(),
 				WorkflowID: realData.UUID,
 			}
 			accessor.StoreOne(obj)
diff --git a/models/workflow_execution/workflow_execution.go b/models/workflow_execution/workflow_execution.go
index ebf01cf..a813e06 100644
--- a/models/workflow_execution/workflow_execution.go
+++ b/models/workflow_execution/workflow_execution.go
@@ -38,11 +38,11 @@ func (d ScheduledType) EnumIndex() int {
 }
 
 type WorkflowExecution struct {
-	UUID       string        `json:"id,omitempty" bson:"id,omitempty" validate:"required"`
-	ExecDate   *time.Time    `json:"execution_date,omitempty" bson:"execution_date,omitempty" validate:"required"`
-	EndDate    *time.Time    `json:"end_date,omitempty" bson:"end_date,omitempty"`
-	State      ScheduledType `json:"state,omitempty" bson:"state,omitempty" `
-	WorkflowID string        `json:"workflow_id" bson:"workflow_id,omitempty"`
+	UUID       string     `json:"id,omitempty" bson:"id,omitempty" validate:"required"`
+	ExecDate   *time.Time `json:"execution_date,omitempty" bson:"execution_date,omitempty" validate:"required"`
+	EndDate    *time.Time `json:"end_date,omitempty" bson:"end_date,omitempty"`
+	State      int        `json:"state,omitempty" bson:"state,omitempty" `
+	WorkflowID string     `json:"workflow_id" bson:"workflow_id,omitempty"`
 }
 
 func (ao *WorkflowExecution) GetID() string {