diff --git a/include/boost/graph/strong_components.hpp b/include/boost/graph/strong_components.hpp
index 61345bdc..f1bd56d6 100644
--- a/include/boost/graph/strong_components.hpp
+++ b/include/boost/graph/strong_components.hpp
@@ -64,6 +64,7 @@ namespace boost {
           do {
             w = s.top(); s.pop();
             put(comp, w, c);
+	    put(root, w, v);
           } while (w != v);
           ++c;
         }