diff --git a/src/cal-period.scm b/src/cal-period.scm
index 7af0c75..3c55592 100644
--- a/src/cal-period.scm
+++ b/src/cal-period.scm
@@ -123,8 +123,7 @@
 		   (cal-month<=? since before))
 	      (and (cal-day? since)
 		   (cal-day? before)
-		   ;; (cal-day<=? since before)
-		   )))))
+		   (cal-day<=? since before))))))
 
  ;; Sorts period markers (be it start or end) chronologically and
  ;; returns the sorted list.