diff --git a/docs/index.html b/docs/index.html
index 7ca15493..ed1c43b7 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -20,7 +20,7 @@
 
         <div class="row">
             <div class="col-1-of-2">
-                <img class="header__image" src="images/sengi_image.png" />
+                <img id="main-illustration" class="header__image" src="images/sengi_image.png" />
             </div>
             <div class="col-1-of-2">
                 <div class="header__download-box">
@@ -216,6 +216,29 @@
             return myJson;
         }
 
+        function getOS() {
+            var userAgent = window.navigator.userAgent,
+                platform = window.navigator.platform,
+                macosPlatforms = ['Macintosh', 'MacIntel', 'MacPPC', 'Mac68K'],
+                windowsPlatforms = ['Win32', 'Win64', 'Windows', 'WinCE'],
+                iosPlatforms = ['iPhone', 'iPad', 'iPod'],
+                os = null;
+
+            if (macosPlatforms.indexOf(platform) !== -1) {
+                os = 'Mac OS';
+            } else if (iosPlatforms.indexOf(platform) !== -1) {
+                os = 'iOS';
+            } else if (windowsPlatforms.indexOf(platform) !== -1) {
+                os = 'Windows';
+            } else if (/Android/.test(userAgent)) {
+                os = 'Android';
+            } else if (!os && /Linux/.test(platform)) {
+                os = 'Linux';
+            }
+
+            return os;
+        }
+
         document.addEventListener('DOMContentLoaded', async function () {
             let lastRelease = await getLastRelease();
             let version = lastRelease.tag_name;
@@ -233,6 +256,13 @@
             document.getElementById('mac').href = `https://github.com/NicolasConstant/sengi/releases/download/${version}/Sengi-${version}-mac.dmg`;
             document.getElementById('deb').href = `https://github.com/NicolasConstant/sengi/releases/download/${version}/Sengi-${version}-linux.deb`;
             document.getElementById('appimage').href = `https://github.com/NicolasConstant/sengi/releases/download/${version}/Sengi-${version}-linux.AppImage`;
+
+
+            let userOs = getOS();            
+            if(userOs === 'Linux'){
+                var illustration = document.getElementById('main-illustration');
+                illustration.src = 'images/sengi_image_ubuntu.png';
+            }
         }, false);
     </script>
 </body>