--- a/artifacts/src/main/java/org/dive4elements/river/artifacts/model/minfo/SedimentLoadDataValueFilter.java	Mon Sep 08 19:01:26 2014 +0200
+++ b/artifacts/src/main/java/org/dive4elements/river/artifacts/model/minfo/SedimentLoadDataValueFilter.java	Mon Sep 08 19:47:01 2014 +0200
@@ -112,25 +112,25 @@
 
     public static final class SQTimeInterval implements Filter {
 
-        private int sqTiId;
+        private Integer sqTiId;
 
-        public SQTimeInterval(int sqTiId) {
+        public SQTimeInterval(Integer sqTiId) {
             this.sqTiId = sqTiId;
         }
 
         @Override
         public boolean accept(Value value) {
-            if (sqTiId == 0) {
+            if (sqTiId == null) {
                 /* Nothing set, nothing filtered */
                 return true;
             }
-            if (value.getLoad().getSQRelationTimeIntervalId() == 0) {
+            if (value.getLoad().getSQRelationTimeIntervalId() == null) {
                 /* Loads without sqRelationTimeInterval are "Schwebstoffe" and should
                  * be included. */
                 return true;
             }
             /* All other values should be filtered accordingly. */
-            return value.getLoad().getSQRelationTimeIntervalId() == sqTiId;
+            return value.getLoad().getSQRelationTimeIntervalId().equals(sqTiId);
         }
     } // class SQTimeInterval