Index: Ringtoets/Piping/src/Ringtoets.Piping.IO/SurfaceLines/CharacteristicPointsCsvReader.cs
===================================================================
diff -u -r4fda2f3f6be17051ed305f0ea2d1b15fa87fc55f -r16bd8076863c03907abeee60b16704aba1bdb1a0
--- Ringtoets/Piping/src/Ringtoets.Piping.IO/SurfaceLines/CharacteristicPointsCsvReader.cs	(.../CharacteristicPointsCsvReader.cs)	(revision 4fda2f3f6be17051ed305f0ea2d1b15fa87fc55f)
+++ Ringtoets/Piping/src/Ringtoets.Piping.IO/SurfaceLines/CharacteristicPointsCsvReader.cs	(.../CharacteristicPointsCsvReader.cs)	(revision 16bd8076863c03907abeee60b16704aba1bdb1a0)
@@ -72,7 +72,7 @@
         /// <exception cref="ArgumentException">Thrown when <paramref name="path"/> is invalid.</exception>
         public CharacteristicPointsCsvReader(string path)
         {
-            FileUtils.ValidateFilePath(path);
+            IOUtils.ValidateFilePath(path);
 
             filePath = path;
         }