--- a/backend/src/main/java/org/dive4elements/river/backend/FLYSCredentials.java	Wed Apr 30 14:11:29 2014 +0200
+++ b/backend/src/main/java/org/dive4elements/river/backend/FLYSCredentials.java	Wed Apr 30 14:12:59 2014 +0200
@@ -64,6 +64,8 @@
 import org.dive4elements.river.model.MorphologicalWidth;
 import org.dive4elements.river.model.MorphologicalWidthValue;
 import org.dive4elements.river.model.NamedMainValue;
+import org.dive4elements.river.model.Porosity;
+import org.dive4elements.river.model.PorosityValue;
 import org.dive4elements.river.model.Position;
 import org.dive4elements.river.model.Range;
 import org.dive4elements.river.model.River;
@@ -192,6 +194,8 @@
         River.class,
         RiverAxis.class,
         RiverAxisKm.class,
+        Porosity.class,
+        PorosityValue.class,
         SectieKind.class,
         SobekKind.class,
         SedimentDensity.class,