Index: wflow-py/wflow/wflow_delwaq.py
===================================================================
diff -u -r11f8d5cb169091c08cc5b7210e35f2ce7aed5fb3 -rda90973bc0e03815ffa7a80c18f24c9ecb24bb4a
--- wflow-py/wflow/wflow_delwaq.py	(.../wflow_delwaq.py)	(revision 11f8d5cb169091c08cc5b7210e35f2ce7aed5fb3)
+++ wflow-py/wflow/wflow_delwaq.py	(.../wflow_delwaq.py)	(revision da90973bc0e03815ffa7a80c18f24c9ecb24bb4a)
@@ -636,7 +636,11 @@
     ldd = readmap(caseId + configget(config,"model","wflow_ldd","/staticmaps/wflow_ldd.map"))
     gauges = readmap(caseId + configget(config,"model","wflow_gauges","/staticmaps/wflow_gauges.map"))
 
-    cellsize = float(pcr2numpy(readmap(caseId + "/" + runId + "/outsum/rl.map"),NaN)[0,0])
+    # Some models yield a reallength.map, others a rl.map.
+    rl_map_file = caseId + "/" + runId + "/outsum/rl.map"
+    if not os.path.exists(rl_map_file):
+        rl_map_file = caseId + "/" + runId + "/outsum/reallength.map"
+    cellsize = float(pcr2numpy(readmap(rl_map_file),NaN)[0,0])
     logger.info("Cellsize model: " + str(cellsize))
     
     # Limit areas map to modelmap (subcatchments)