diff --git a/beat/web/experiments/models/result.py b/beat/web/experiments/models/result.py
index d85afa67cba360e14f8916b153b41c54100f918f..eb0f5edb572b9442a1e2d55f4db313208a215f20 100755
--- a/beat/web/experiments/models/result.py
+++ b/beat/web/experiments/models/result.py
@@ -73,6 +73,7 @@ class Result(models.Model):
             self.name,
             self.cache.hash,
         )
+    natural_key.dependencies = ['experiments.cachedfile']
 
 
     def value(self):