diff --git a/earthdiagnostics/cmormanager.py b/earthdiagnostics/cmormanager.py
index 10c45421d1c8a360040da60b04aee4661e1d84b9..5d6892af494f22755e9d765143617e4c164c96f6 100644
--- a/earthdiagnostics/cmormanager.py
+++ b/earthdiagnostics/cmormanager.py
@@ -498,7 +498,7 @@ class CMORManager(DataManager):
             Log.debug('Done')
 
     def create_links(self, startdate, member=None):
-        if member:
+        if member is not None:
             member_str = self._get_member_str(member)
         else:
             member_str = None
diff --git a/earthdiagnostics/ocean/interpolatecdo.py b/earthdiagnostics/ocean/interpolatecdo.py
index 2eb47a4f25a738adee70904468bfdd2a2388c42c..5a20154e150aebd06504c22bd7f0a97c44ab3f68 100644
--- a/earthdiagnostics/ocean/interpolatecdo.py
+++ b/earthdiagnostics/ocean/interpolatecdo.py
@@ -102,8 +102,6 @@ class InterpolateCDO(Diagnostic):
         elif method == InterpolateCDO.CONSERVATIVE2:
             Utils.cdo.gencon2(target_grid, input=temp, output=weights)
 
-        target_grid = '{0}_{1}'.format(target_grid, method)
-
         for startdate, member, chunk in diags.config.experiment.get_chunk_list():
             job_list.append(InterpolateCDO(diags.data_manager, startdate, member, chunk,
                                            options['domain'], options['variable'], target_grid,