diff --git a/controllers/workflow.go b/controllers/workflow.go
index 99df64d..712c336 100644
--- a/controllers/workflow.go
+++ b/controllers/workflow.go
@@ -70,7 +70,10 @@ func (o *WorkflowController) Post() {
 		},
 	}
 	var res map[string]interface{}
-	json.Unmarshal(o.Ctx.Input.CopyBody(10000), &res)
+
+	body_size := int64(len((*(*(*o).Controller.Ctx).Input).RequestBody))
+	json.Unmarshal(o.Ctx.Input.CopyBody(body_size), &res)
+
 	caller := tools.NewHTTPCaller(paths)
 	data := oclib.StoreOne(oclib.LibDataEnum(oclib.WORKFLOW), res, caller)
 	o.Data["json"] = data