diff --git a/wetb/dlc/high_level.py b/wetb/dlc/high_level.py
index de5029011bdead7ef11242f2da64fe15131e1cc3..56d59963e9bbe54916525c81f76d39dbc2f6e3cc 100644
--- a/wetb/dlc/high_level.py
+++ b/wetb/dlc/high_level.py
@@ -255,7 +255,7 @@ class DLCHighLevel(object):
                 if files:
                     f_prob = self.probability(props, files[0], files) / len(files)
                     f_hours_pr_20year = 365 * 24 * years * f_prob
-                    for f in files:
+                    for f in sorted(files):
                         fh_lst.append((f, f_hours_pr_20year))
         return fh_lst