diff --git a/nocodetools/models.py b/nocodetools/models.py
index 8393e6c..ce44b8e 100644
--- a/nocodetools/models.py
+++ b/nocodetools/models.py
@@ -5,7 +5,7 @@ import mongoengine as me
 
 
 class Element(me.EmbeddedDocument):
-    element_id = me.StringField()
+    element_id = me.IntField()
     element_type = me.StringField()
     content = me.StringField()
     css = me.DictField()