diff --git a/ATxCommon/TimeUtils.cs b/ATxCommon/TimeUtils.cs
index b958db1eb6633dfa858b8d679a525251aa076105..c92f229137ba77f7b21bf8f9c717e80c50ccfb7b 100644
--- a/ATxCommon/TimeUtils.cs
+++ b/ATxCommon/TimeUtils.cs
@@ -124,6 +124,9 @@ namespace ATxCommon
         /// <param name="refDate">The reference DateTime to check.</param>
         /// <returns>A string describing the delta, e.g. "12 days" or "3 weeks".</returns>
         public static string HumanSince(DateTime refDate) {
+            if (refDate == DateTime.MinValue) {
+                return "never, reference is DateTime.MinValue";
+            }
             return SecondsToHuman(SecondsSince(refDate));
         }
     }