diff --git a/autofit/mapper/prior_model/abstract.py b/autofit/mapper/prior_model/abstract.py
index <HASH>..<HASH> 100644
--- a/autofit/mapper/prior_model/abstract.py
+++ b/autofit/mapper/prior_model/abstract.py
@@ -585,7 +585,12 @@ class AbstractPriorModel(AbstractModel):
         return result

 

     def items(self):

-        return self.direct_prior_tuples + self.direct_instance_tuples + self.direct_prior_model_tuples

+        return (

+                self.direct_prior_tuples

+                + self.direct_instance_tuples

+                + self.direct_prior_model_tuples

+                + self.direct_tuple_priors

+        )

 

     @property

     @cast_collection(PriorNameValue)

@@ -608,6 +613,11 @@ class AbstractPriorModel(AbstractModel):
         return self.direct_tuples_with_type(AbstractPriorModel)

 

     @property

+    @cast_collection(PriorModelNameValue)

+    def direct_tuple_priors(self):

+        return self.direct_tuples_with_type(TuplePrior)

+

+    @property

     @cast_collection(PriorNameValue)

     def tuple_prior_tuples(self):

         """
fix for direct tuple priors