Index: src/Deltares.DSoilModel.Data/DSoilModelStiFileTransformer.cs
===================================================================
diff -u -r867 -r879
--- src/Deltares.DSoilModel.Data/DSoilModelStiFileTransformer.cs	(.../DSoilModelStiFileTransformer.cs)	(revision 867)
+++ src/Deltares.DSoilModel.Data/DSoilModelStiFileTransformer.cs	(.../DSoilModelStiFileTransformer.cs)	(revision 879)
@@ -20,6 +20,7 @@
 // All rights reserved.
 
 using Deltares.Geotechnics;
+using Deltares.Geotechnics.Soils;
 using Deltares.Probabilistic;
 using Deltares.Standard;