--- a/path.cpp	2015-03-30 19:58:45.000000000 +0530
+++ b/path.cpp	2015-05-19 14:35:58.431519187 +0530
@@ -329,7 +329,11 @@ namespace filesystem
 
   string_type::size_type path::m_parent_path_end() const
   {
-    size_type end_pos(filename_pos(m_pathname, m_pathname.size()));
+    size_type end_pos;
+    if ((m_pathname.size() > 1) && (is_separator(m_pathname[m_pathname.size()-1])))
+      end_pos = filename_pos(m_pathname, m_pathname.size()-1);
+    else
+      end_pos = filename_pos(m_pathname, m_pathname.size());
 
     bool filename_was_separator(m_pathname.size()
       && is_separator(m_pathname[end_pos]));