diff --git a/Data/Graph/Libgraph/AlgoDebug.hs b/Data/Graph/Libgraph/AlgoDebug.hs
--- a/Data/Graph/Libgraph/AlgoDebug.hs
+++ b/Data/Graph/Libgraph/AlgoDebug.hs
@@ -27,4 +27,4 @@
                       []    -> v
                       (w:_) -> next_step tree j w
 
-  | j v == Unassessed = v
+  | otherwise = v -- j v is Unassessed or Assisted
diff --git a/libgraph.cabal b/libgraph.cabal
--- a/libgraph.cabal
+++ b/libgraph.cabal
@@ -1,5 +1,5 @@
 Name:           libgraph
-Version:        1.7
+Version:        1.8
 Homepage:       http://maartenfaddegon.nl
 Synopsis:       Store and manipulate data in a graph.
 Description:    A graph type, analysis of graphs and manipulation of graphs.