--- a/artifacts/src/main/java/org/dive4elements/river/artifacts/model/FixingsOverview.java	Thu Sep 12 11:50:39 2013 +0200
+++ b/artifacts/src/main/java/org/dive4elements/river/artifacts/model/FixingsOverview.java	Thu Sep 12 16:35:07 2013 +0200
@@ -770,14 +770,21 @@
         protected Date end;
 
         public DateRangeFilter(Date start, Date end) {
-            this.start = start;
-            this.end   = end;
+            if (start.before(end)) {
+                this.start = start;
+                this.end   = end;
+            }
+            else {
+                this.start = end;
+                this.end   = start;
+            }
         }
 
         @Override
         public boolean accept(Fixing.Column column) {
             Date date = column.getStartTime();
-            return start.compareTo(date) <= 0 && end.compareTo(date) >= 0;
+            // start <= date <= end
+            return !(date.before(start) || date.after(end));
         }
     } // class DateRangeFilter