SolutionCop22.diff

diff --git a/src/SolutionCop.DefaultRules/Basic/FilesIncludedIntoProjectRule.cs b/src/SolutionCop.DefaultRules/Basic/FilesIncludedIntoProjectRule.cs
index 54ed67e..c4976d7 100644
--- a/src/SolutionCop.DefaultRules/Basic/FilesIncludedIntoProjectRule.cs
+++ b/src/SolutionCop.DefaultRules/Basic/FilesIncludedIntoProjectRule.cs
@@ -80,6 +80,7 @@ namespace SolutionCop.DefaultRules.Basic
             }
             foreach (var filePatternToProcess in config.FilePatternsToProcess)
             {
+                var projectDirPath = new DirectoryInfo(Path.GetDirectoryName(projectFilePath)).FullName;
                 var filePaths = Directory.EnumerateFiles(Path.GetDirectoryName(projectFilePath), filePatternToProcess, SearchOption.AllDirectories);
 
                 // TODO More flexible folder exclusions
@@ -98,7 +99,7 @@ namespace SolutionCop.DefaultRules.Basic
                         if (!xmlHintPaths.Any())
                         {
                             // TODO Yak!
-                            var fileSubPath = Path.GetFileName(Path.GetDirectoryName(projectFilePath)) + Path.DirectorySeparatorChar + Path.GetFullPath(filePath).Substring(Path.GetDirectoryName(projectFilePath).Length + 1);
+                            var fileSubPath = Path.GetFileName(projectDirPath) + Path.DirectorySeparatorChar + Path.GetFullPath(filePath).Substring(projectDirPath.Length + 1);
                             yield return string.Format("File is not referenced in project: {0}", fileSubPath);
                         }
                     }