--- a/artifacts/src/main/java/org/dive4elements/river/artifacts/model/minfo/BedQualityCalculation.java	Thu Mar 19 10:38:12 2015 +0100
+++ b/artifacts/src/main/java/org/dive4elements/river/artifacts/model/minfo/BedQualityCalculation.java	Thu Mar 19 13:36:38 2015 +0100
@@ -109,13 +109,14 @@
                     dr.getTo());
             BedQualityResult result = new BedQualityResult();
             result.setDateRange(dr);
-            if (bedDiameter != null) {
+            if (!bedDiameter.isEmpty()) {
+                log.debug("Bed diameter is not empty + " + bedDiameter);
                 result.add(calculateBedParameter(bedMeasurements));
                 for (String bd : bedDiameter) {
                     result.add (calculateBed(bedMeasurements, bd));
                 }
             }
-            if (bedloadDiameter != null) {
+            if (!bedloadDiameter.isEmpty()) {
                 for (String bld : bedloadDiameter) {
                     result.add(calculateBedload(loadMeasurements, bld));
                 }