diff -ru htdig-3.2.0b6/httools/htstat.cc htdig-3.2.0b6-fix/httools/htstat.cc
--- htdig-3.2.0b6/httools/htstat.cc	2004-05-28 15:15:25.000000000 +0200
+++ htdig-3.2.0b6-fix/httools/htstat.cc	2009-12-01 21:21:06.000000000 +0100
@@ -158,7 +158,8 @@
     if(words.Open(config->Find("word_db"), O_RDONLY) == OK)
       {
 	cout << "htstat: Total words: " << words.WordRefs()->Count() << endl;
-	cout << "htstat: Total unique words: " << words.Words()->Count() << endl;
+	if (words.WordRefs()->Count() != 0)
+	  cout << "htstat: Total unique words: " << words.Words()->Count() << endl; 
 	words.Close();
       }