diff --git a/doc/disjoint_sets.html b/doc/disjoint_sets.html
index 4bff1bf9..34cce558 100644
--- a/doc/disjoint_sets.html
+++ b/doc/disjoint_sets.html
@@ -10,7 +10,7 @@
 
 <body bgcolor="#FFFFFF" link="#0000EE" text="#000000" vlink="#551A8B" alink=
 "#FF0000">
-  <img src="../../boost.png" alt="C++ Boost" width="277" height=
+  <img src="../../../boost.png" alt="C++ Boost" width="277" height=
   "86"><br clear="none">
 
   <h1><a name="sec:disjoint-sets" id="sec:disjoint-sets"></a> Disjoint
diff --git a/doc/disjoint_sets_biblio.html b/doc/disjoint_sets_biblio.html
index 54fc44a0..ec9e8832 100644
--- a/doc/disjoint_sets_biblio.html
+++ b/doc/disjoint_sets_biblio.html
@@ -10,7 +10,7 @@
 
 <body bgcolor="#FFFFFF" link="#0000EE" text="#000000" vlink="#551A8B" alink=
 "#FF0000">
-  <img src="../../boost.png" alt="C++ Boost" width="277" height=
+  <img src="../../../boost.png" alt="C++ Boost" width="277" height=
   "86"><br clear="none">
 
   <h2>Bibliography</h2>
