diff --git a/planetstack/observer/syncstep.py b/planetstack/observer/syncstep.py
index ce7191c..031a3bc 100644
--- a/planetstack/observer/syncstep.py
+++ b/planetstack/observer/syncstep.py
@@ -48,7 +48,7 @@
         for dep in self.dependencies:
             peer_object = getattr(obj, dep.lower())
             if (peer_object.pk==failed.pk):
-                raise DependencyFailed
+                raise FailedDependency
 
     def call(self, failed=[]):
         pending = self.fetch_pending()