Index: Ringtoets/Common/src/Ringtoets.Common.IO/ReferenceLineMetaImporter.cs
===================================================================
diff -u -r1de82b61e03283a14d380a48cd718ec65a98432d -r1537ed6c8364e79f9b4c869c95e3d9398a55a572
--- Ringtoets/Common/src/Ringtoets.Common.IO/ReferenceLineMetaImporter.cs	(.../ReferenceLineMetaImporter.cs)	(revision 1de82b61e03283a14d380a48cd718ec65a98432d)
+++ Ringtoets/Common/src/Ringtoets.Common.IO/ReferenceLineMetaImporter.cs	(.../ReferenceLineMetaImporter.cs)	(revision 1537ed6c8364e79f9b4c869c95e3d9398a55a572)
@@ -84,9 +84,7 @@
 
         private void ValidateAndConnectTo(string folderpath)
         {
-            ValidateDirectory(folderpath);
-
-            var files = Directory.GetFiles(folderpath, "*.shp");
+            var files = GetShapeFilesInFolder(folderpath);
             if (files.Length == 0)
             {
                 var message = new FileReaderErrorMessageBuilder(
@@ -103,7 +101,7 @@
             }
         }
 
-        private static void ValidateDirectory(string path)
+        private static string[] GetShapeFilesInFolder(string path)
         {
             if (String.IsNullOrWhiteSpace(path))
             {
@@ -113,7 +111,7 @@
 
             try
             {
-                Path.GetFullPath(path);
+                return Directory.GetFiles(path, "*.shp");
             }
             catch (ArgumentException e)
             {