Index: Ringtoets/Piping/src/Ringtoets.Piping.IO/SoilProfile/SoilProfile2DReader.cs
===================================================================
diff -u -r6afbb616ce84cccaf56617d60c5cd821b00daab0 -r9cdd70c8d4ba76d93b72ef8c1b7df138fa73b0e4
--- Ringtoets/Piping/src/Ringtoets.Piping.IO/SoilProfile/SoilProfile2DReader.cs	(.../SoilProfile2DReader.cs)	(revision 6afbb616ce84cccaf56617d60c5cd821b00daab0)
+++ Ringtoets/Piping/src/Ringtoets.Piping.IO/SoilProfile/SoilProfile2DReader.cs	(.../SoilProfile2DReader.cs)	(revision 9cdd70c8d4ba76d93b72ef8c1b7df138fa73b0e4)
@@ -182,7 +182,7 @@
             /// casted to the expected column types.</exception>
             internal RequiredProfileProperties(IRowBasedDatabaseReader reader, string profileName)
             {
-                string readColumn = SoilProfileTableColumns.IntersectionX;
+                const string readColumn = SoilProfileTableColumns.IntersectionX;
                 try
                 {
                     IntersectionX = reader.Read<double>(readColumn);