gistfile1.diff

diff --git a/src/File/nglPath.cpp b/src/File/nglPath.cpp
index fdb003d..a37fcd4 100644
--- a/src/File/nglPath.cpp
+++ b/src/File/nglPath.cpp
@@ -1501,6 +1501,10 @@ int32 nglPath::GetRootPart() const
   int col = mPathName.Find(_T(':'), 0, true);
   int slash = mPathName.Find(_T('/'), 0, true);
   
+  // Not a volume
+  if (col < 0 || slash < 0)
+    return 0;
+  
   if (col < slash)
     return MIN(slash + 1, mPathName.GetLength());