diff --git a/lh-presentation/beamerouterthemelh.sty b/lh-presentation/beamerouterthemelh.sty
index 4b948f4..c58333e 100644
--- a/lh-presentation/beamerouterthemelh.sty
+++ b/lh-presentation/beamerouterthemelh.sty
@@ -13,6 +13,10 @@
      [2016/11/01 v0.0  LaTeX presentation class implementing the cooperate design of LogicalHacking.com]
 \mode<presentation>
 
+\def\insertpresentationendframe{\inserttotalframenumber}
+\g@addto@macro{\appendix}{\immediate\write\@auxout{\string\@writefile{nav}{\noexpand\headcommand{\noexpand\def\noexpand\insertpresentationendframe{\the\c@framenumber}}}}}
+
+
   \defbeamertemplate*{navigation symbols}{lh}{}
 
   % Section and subsections in head/foot
@@ -53,7 +57,8 @@
       \parbox{\@tempdima}{\mbox{}\\[.0025cm]  
       \mbox{}\quad \textcolor{fg}{\tiny\bfseries \textcopyright~\the\year{} \href{https://logicalhacking.com}{LogicalHacking.com}. \hfill 
       \lh@classification\hfill 
-      Page \insertframenumber{} of \inserttotalframenumber}\quad\mbox{}\\[.0025cm]
+      Page \insertframenumber{} of \insertpresentationendframe%\inserttotalframenumber
+}\quad\mbox{}\\[.0025cm]
     }}}}%
     \vskip0pt%
   }