diff --git a/presentation_irstea.tex b/presentation_irstea.tex
index 74877ea9b942f725c7a3344fa34744e154ce9d7b..4276107692d1d75a24194d3fe34617aa5c948a12 100644
--- a/presentation_irstea.tex
+++ b/presentation_irstea.tex
@@ -37,7 +37,7 @@
     \frametitle{\insertsection}
     \tableofcontents[
         currentsection,
-        sectionstyle=show/show,
+        sectionstyle=show/shaded,
         subsectionstyle=show/show/hide
     ]
   \end{frame}
diff --git a/presentation_irstea/beamerthemeirstea.sty b/presentation_irstea/beamerthemeirstea.sty
index ae0d016ee651c0edf255ddf4c0fd1caa12921b22..a1726bd3b325d240f38d1ed5fb1fdda62b15f265 100644
--- a/presentation_irstea/beamerthemeirstea.sty
+++ b/presentation_irstea/beamerthemeirstea.sty
@@ -23,6 +23,7 @@
 \setbeamertemplate{navigation symbols}{}
 \setbeamertemplate{blocks}[rounded][shadow=true]  
 \setbeamertemplate{footline}[frame number]
+\setbeamertemplate{section in toc shaded}[default][45]
 \setbeamerfont{footline}{size=\fontsize{9}{11}\selectfont} %https://tex.stackexchange.com/a/26899/124910
 \setbeamercolor{section in toc}{fg=marine}
 \setbeamercolor{subsection in toc}{fg=ocean}