diff --git a/beamerthemeinrae.sty b/beamerthemeinrae.sty
index 8ed187765fce56283c611e8fb31fc9ed2d1d5654..42bdd03d92ed8a93f59e4b395ffbcfd6f9743cf7 100644
--- a/beamerthemeinrae.sty
+++ b/beamerthemeinrae.sty
@@ -1,5 +1,7 @@
 \mode<presentation>
 
+\usepackage{scrextend}
+
 \RequirePackage{lastpage,graphicx,tikz,setspace}
 \usetikzlibrary{positioning}
 
@@ -16,9 +18,13 @@
     \end{tikzpicture}
     \hskip3em\includegraphics[height=0.05\textheight]{images/inrae.png}
     \vskip3em
-    \begin{spacing}{1.2}
-        \hskip3em{\usebeamerfont{title}\usebeamercolor[fg]{title}\textbf\inserttitle}
-    \end{spacing}
+    \begin{addmargin}[3em]{1em}
+      \begin{spacing}{1.2}
+        \usebeamerfont{title}{\usebeamercolor[fg]{title}\textbf\inserttitle}
+        \vskip0.1em
+        \usebeamerfont{subtitle}\insertsubtitle
+      \end{spacing}
+    \end{addmargin}
     \vskip3em
     \begin{spacing}{1.2}
         \hskip3em{\usebeamercolor[fg]{title}\insertauthor}
diff --git a/example.tex b/example.tex
index fbc799fb7306b45d2dc2f21601458248f93040c8..ecb054c0fa1330565a740d5f4825fa3a9d7a4710 100644
--- a/example.tex
+++ b/example.tex
@@ -3,6 +3,7 @@
 \usepackage{lipsum}
 
 \title{Beamer Template}
+\subtitle{a step toward the INRAE graphical charter}
 \author{Gauthier Quesnel}
 \institute{MIAT INRAE}
 \date{January 2020}