--- a/OSSEval/analysis/models.py
+++ b/OSSEval/analysis/models.py
@@ -10,6 +10,7 @@
     user_login = models.CharField(max_length=50)
     visible = models.BooleanField(default=True)
     weight_scenario = models.ForeignKey(WeightScenario)
+    protected = models.BooleanField(default=False)
     def __unicode__(self):
         return self.name