Index: wflow-py/wflow/wf_netcdfio.py
===================================================================
diff -u -r11a0610cf0cab88c73a9870530fcdea0d46395bb -r1c8806b6b27379d032efa5bbd083901b3146323a
--- wflow-py/wflow/wf_netcdfio.py	(.../wf_netcdfio.py)	(revision 11a0610cf0cab88c73a9870530fcdea0d46395bb)
+++ wflow-py/wflow/wf_netcdfio.py	(.../wf_netcdfio.py)	(revision 1c8806b6b27379d032efa5bbd083901b3146323a)
@@ -125,8 +125,11 @@
 
         if timestepsecs == 86400:
             timeList = date_range(starttime, end, tdelta="days")
-        else:
+        elif timestepsecs == 3600:
             timeList = date_range(starttime, end, tdelta="hours")
+        else:
+            logger.error("Current timestep: " + str(timestepsecs) + " not supported in netcdf writing.")
+            timeList = date_range(starttime, end, tdelta="days")
 
         self.timestepbuffer = zeros((self.maxbuf,len(y),len(x)))
         self.bufflst={}