Index: Application/Ringtoets/src/Application.Ringtoets.Storage/BackedUpFileWriter.cs
===================================================================
diff -u -r065af7e201b59ec19a17c42e9d772f5e86b31338 -r16bd8076863c03907abeee60b16704aba1bdb1a0
--- Application/Ringtoets/src/Application.Ringtoets.Storage/BackedUpFileWriter.cs	(.../BackedUpFileWriter.cs)	(revision 065af7e201b59ec19a17c42e9d772f5e86b31338)
+++ Application/Ringtoets/src/Application.Ringtoets.Storage/BackedUpFileWriter.cs	(.../BackedUpFileWriter.cs)	(revision 16bd8076863c03907abeee60b16704aba1bdb1a0)
@@ -45,7 +45,7 @@
         /// <exception cref="ArgumentException"><paramref name="targetFilePath"/> is not a valid path.</exception>
         public BackedUpFileWriter(string targetFilePath)
         {
-            FileUtils.ValidateFilePath(targetFilePath);
+            IOUtils.ValidateFilePath(targetFilePath);
 
             this.targetFilePath = targetFilePath;
             temporaryFilePath = targetFilePath + temporarySuffix;