Index: wflow-py/wflow/wf_DynamicFramework.py
===================================================================
diff -u -r6a7bc8aa1448ca6ea1197143f25524e413ac27b5 -r666a418a8a7170634fc9c9b10a47340ca926f889
--- wflow-py/wflow/wf_DynamicFramework.py	(.../wf_DynamicFramework.py)	(revision 6a7bc8aa1448ca6ea1197143f25524e413ac27b5)
+++ wflow-py/wflow/wf_DynamicFramework.py	(.../wf_DynamicFramework.py)	(revision 666a418a8a7170634fc9c9b10a47340ca926f889)
@@ -216,7 +216,7 @@
  
       self.steps = self.steps + 1
       tmpvar = scalar(spatial(variable))
-      self.resmap = areaaverage(tmpvar,self.area)
+      self.resmap = areaaverage(tmpvar,nominal(self.area))
       self.remap_np = pcr2numpy(self.resmap,0)
       self.flatres = self.remap_np.flatten()[self.idx]
 
@@ -372,7 +372,7 @@
         :param areamap:
         :return:
         """
-        return cover(timeinputscalar(tssfile,areamap),default)
+        return cover(timeinputscalar(tssfile,nominal(areamap)),default)
 
 
 
@@ -770,7 +770,8 @@
           exec "tmpvar = " +  self.varnamecsv[a]
 
           duration = self.currentdatetime - self.datetime_firststep
-          timestep = int(duration.total_seconds()/self.timestepsecs) + 1
+          timestep = int(duration.total_seconds()/self._userModel().timestepsecs) + 1
+
           self.oscv[self.samplenamecsv[a]].writestep(tmpvar,a,timestep=timestep)