diff --git a/Civi/DataProcessor/Source/Contribution/ContributionSource.php b/Civi/DataProcessor/Source/Contribution/ContributionSource.php
index 05f62a7d7f9f99022f35ed9e01eb6737594d6349..62a33c230ef5d256694a677e21652ee62f501cc1 100644
--- a/Civi/DataProcessor/Source/Contribution/ContributionSource.php
+++ b/Civi/DataProcessor/Source/Contribution/ContributionSource.php
@@ -39,7 +39,7 @@ class ContributionSource extends AbstractCivicrmEntitySource {
 
     // Create the contribution soft data flow and data flow description
     $this->contributionSoftDataFlow = new SqlTableDataFlow('civicrm_contribution_soft', $this->getSourceName().'_contribution_soft');
-    DataSpecificationUtils::addDAOFieldsToDataSpecification('CRM_Contribute_DAO_ContributionSoft', $this->contributionSoftDataFlow->getDataSpecification(), array('id'), '', 'contribution_soft_', E::ts('Soft :: '));
+    DataSpecificationUtils::addDAOFieldsToDataSpecification('CRM_Contribute_DAO_ContributionSoft', $this->contributionSoftDataFlow->getDataSpecification(), array('id'), 'contribution_soft_', 'contribution_soft_', E::ts('Soft :: '));
   }
 
 
@@ -143,7 +143,7 @@ class ContributionSource extends AbstractCivicrmEntitySource {
     $aliasPrefix = $this->getSourceName().'_';
 
     DataSpecificationUtils::addDAOFieldsToDataSpecification($daoClass, $dataSpecification, $fieldsToSkip, '', $aliasPrefix);
-    DataSpecificationUtils::addDAOFieldsToDataSpecification('CRM_Contribute_DAO_ContributionSoft', $dataSpecification, array('id', 'contribution_id'), 'contribution_soft_', $aliasPrefix, E::ts('Soft :: '));
+    DataSpecificationUtils::addDAOFieldsToDataSpecification('CRM_Contribute_DAO_ContributionSoft', $dataSpecification, array('id', 'contribution_id'), 'contribution_soft_', $aliasPrefix.'_contribution_soft_', E::ts('Soft :: '));
   }
 
   /**