=== modified file 'src/libavoid/orthogonal.cpp'
--- src/libavoid/orthogonal.cpp	2009-12-20 09:40:55 +0000
+++ src/libavoid/orthogonal.cpp	2011-06-10 22:31:10 +0000
@@ -1731,7 +1731,7 @@
         Polygon& displayRoute = (*curr)->displayRoute();
         // Determine all line segments that we are interested in shifting.
         // We don't consider the first or last segment of a path.
-        for (size_t i = 1; i < displayRoute.size(); ++i)
+        for (size_t i = 1; i < displayRoute.size()-1; ++i)
         {
             if (displayRoute.ps[i - 1][dim] == displayRoute.ps[i][dim])
             {