diff --git a/latex/ysbeamer.sty b/latex/ysbeamer.sty
index 50a74d7..7e29679 100644
--- a/latex/ysbeamer.sty
+++ b/latex/ysbeamer.sty
@@ -25,7 +25,7 @@
 \setbeamerfont{block title}{size={}}
 
 \setbeamertemplate{navigation symbols}{}
-\setbeamertemplate{footline}{(\insertframenumber/\inserttotalframenumber)\hfill(\insertframenumber/\inserttotalframenumber)}
+\setbeamertemplate{footline}{(\insertframenumber.\insertoverlaynumber/\inserttotalframenumber)\hfill(\insertframenumber.\insertoverlaynumber/\inserttotalframenumber)}
 \usefonttheme{serif}
 \usefonttheme{professionalfonts}