--- doxygen-1.7.1/src/dot.cpp   2010-06-23 12:30:02.000000000 +0100
+++ doxygen-1.7.1-patched/src/dot.cpp   2010-07-14 11:15:06.254117826 +0100
@@ -3183,6 +3183,7 @@
     removeDotGraph(absDotName);
   }
 
+  Doxygen::indexList.addImageFile(imgName);
 }
 
 void writeDotGraphFromFile(const char *inFile,const char *outDir,
