diff --git a/net-core/Ical.Net.CoreUnitTests/RecurrenceTests.cs b/net-core/Ical.Net.CoreUnitTests/RecurrenceTests.cs
index 579a9a9d1..2c32fbc9f 100644
--- a/net-core/Ical.Net.CoreUnitTests/RecurrenceTests.cs
+++ b/net-core/Ical.Net.CoreUnitTests/RecurrenceTests.cs
@@ -1169,6 +1169,23 @@ public void YearlyByDay1()
             );
         }
 
+        /// <summary>
+        /// Ordering of byweekno should not matter
+        /// </summary>
+        [Test, Category("Recurrence")]
+        public void WeekNoOrderingShouldNotMatter()
+        {
+            var start = new DateTime(2019, 1, 1);
+            var end = new DateTime(2019, 12, 31);
+            var rpe1 = new RecurrencePatternEvaluator(new RecurrencePattern("FREQ=YEARLY;WKST=MO;BYDAY=MO;BYWEEKNO=1,3,5,7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53"));
+            var rpe2 = new RecurrencePatternEvaluator(new RecurrencePattern("FREQ=YEARLY;WKST=MO;BYDAY=MO;BYWEEKNO=53,51,49,47,45,43,41,39,37,35,33,31,29,27,25,23,21,19,17,15,13,11,9,7,5,3,1"));
+
+            var recurringPeriods1 = rpe1.Evaluate(new CalDateTime(start), start, end, false);
+            var recurringPeriods2 = rpe2.Evaluate(new CalDateTime(start), start, end, false);
+
+            Assert.AreEqual(recurringPeriods1.Count, recurringPeriods2.Count);
+        }
+
         /// <summary>
         /// See Page 123 of RFC 2445 - RRULE:FREQ=YEARLY;BYWEEKNO=20;BYDAY=MO
         /// </summary>
diff --git a/net-core/Ical.Net/Evaluation/RecurrencePatternEvaluator.cs b/net-core/Ical.Net/Evaluation/RecurrencePatternEvaluator.cs
index 0f503fcb7..7d83e27c7 100644
--- a/net-core/Ical.Net/Evaluation/RecurrencePatternEvaluator.cs
+++ b/net-core/Ical.Net/Evaluation/RecurrencePatternEvaluator.cs
@@ -406,9 +406,9 @@ private List<DateTime> GetWeekNoVariants(List<DateTime> dates, RecurrencePattern
             var weekNoDates = new List<DateTime>();
             foreach (var t in dates)
             {
-                var date = t;
                 foreach (var weekNo in pattern.ByWeekNo)
                 {
+                    var date = t;
                     // Determine our current week number
                     var currWeekNo = Calendar.GetWeekOfYear(date, CalendarWeekRule.FirstFourDayWeek, pattern.FirstDayOfWeek);
                     while (currWeekNo > weekNo)