diff --git a/assets/js/tuto1.js b/assets/js/tuto1.js
index 57acf0d4c497e71f167a2386a9ab877fc72c9ffd..a20fde783d166464459855938b15d6e623274fb4 100644
--- a/assets/js/tuto1.js
+++ b/assets/js/tuto1.js
@@ -32,7 +32,7 @@
     let lang = $application.attr('data-lang');
     // Lang file extension used for subtitles
     let langExt = lang && lang === 'fr' ? '':`-${lang}`;
-    let videoExt = lang && lang === 'fr' ? '':`-en`;
+    let videoExt = langExt;
 
     // Chemins
     let dataFolder = baseURL + "/data";
diff --git a/assets/js/tuto2.js b/assets/js/tuto2.js
index 8e22fd1164cdfbf0f18c48dcf2fad9aa6ea78787..f96f86405a7e63b87eb076e992340d02f142a343 100644
--- a/assets/js/tuto2.js
+++ b/assets/js/tuto2.js
@@ -32,7 +32,7 @@
     let lang = $application.attr('data-lang');
     // Lang file extension used for subtitles
     let langExt = lang && lang === 'fr' ? '':`-${lang}`;
-    let videoExt = lang && lang === 'fr' ? '':`-en`;
+    let videoExt = langExt;
 
     // Chemins
     let dataFolder = baseURL + "/data";
diff --git a/assets/js/tuto3-1.js b/assets/js/tuto3-1.js
index 8a5cb71f59f2c875cb8d0fabfbc15a794fe13fca..293d3154d7fe2e4e252c468de0dc470f8e466c89 100644
--- a/assets/js/tuto3-1.js
+++ b/assets/js/tuto3-1.js
@@ -29,7 +29,7 @@
     let lang = $application.attr('data-lang');
     // Lang file extension used for subtitles
     let langExt = lang && lang === 'fr' ? '':`-${lang}`;
-    let videoExt = lang && lang === 'fr' ? '':`-en`;
+    let videoExt = langExt;
 
     // Chemins
     let dataFolder = baseURL + "/data";
diff --git a/assets/js/tuto3-2.js b/assets/js/tuto3-2.js
index a2cee0e63e543e4a28cb9d81dab622e500daebc3..1cb9aad382bcf8cab45b0625a479544f16f136bf 100644
--- a/assets/js/tuto3-2.js
+++ b/assets/js/tuto3-2.js
@@ -29,7 +29,7 @@
     let lang = $application.attr('data-lang');
     // Lang file extension used for subtitles
     let langExt = lang && lang === 'fr' ? '':`-${lang}`;
-    let videoExt = lang && lang === 'fr' ? '':`-en`;
+    let videoExt = langExt;
 
     // Chemins
     let dataFolder = baseURL + "/data";
diff --git a/assets/js/tuto3-3.js b/assets/js/tuto3-3.js
index f705ce13faf6641e95412a2493544cb0169da1b0..799b5811907018a9921b5649dc0a9fea5181a8bb 100644
--- a/assets/js/tuto3-3.js
+++ b/assets/js/tuto3-3.js
@@ -29,7 +29,7 @@
     let lang = $application.attr('data-lang');
     // Lang file extension used for subtitles
     let langExt = lang && lang === 'fr' ? '':`-${lang}`;
-    let videoExt = lang && lang === 'fr' ? '':`-en`;
+    let videoExt = langExt;
 
     // Chemins
     let dataFolder = baseURL + "/data";
diff --git a/assets/js/tuto3-4.js b/assets/js/tuto3-4.js
index c76c2075788261e33b400c94413a1bdf78a69bfa..043bcb0d6cabf4b9d105279a076da3bbca8bf9e8 100644
--- a/assets/js/tuto3-4.js
+++ b/assets/js/tuto3-4.js
@@ -29,7 +29,7 @@
     let lang = $application.attr('data-lang');
     // Lang file extension used for subtitles
     let langExt = lang && lang === 'fr' ? '':`-${lang}`;
-    let videoExt = lang && lang === 'fr' ? '':`-en`;
+    let videoExt = langExt;
 
     // Chemins
     let dataFolder = baseURL + "/data";
diff --git a/assets/js/tuto3-ai4t.js b/assets/js/tuto3-ai4t.js
index e267d3655bd7ae70568de80596e432b090f104c3..0ca359c3f42eae47b84dd277714b1544d331a9cc 100644
--- a/assets/js/tuto3-ai4t.js
+++ b/assets/js/tuto3-ai4t.js
@@ -29,7 +29,7 @@
     let lang = $application.attr('data-lang');
     // Lang file extension used for subtitles
     let langExt = lang ? `-${lang}`:'';
-    let videoExt = lang && lang === 'fr' ? '':`-en`;
+    let videoExt = langExt;
 
     // Chemins
     let dataFolder = baseURL + "/data";
diff --git a/assets/js/tuto3.js b/assets/js/tuto3.js
index 361f04c4009d100885b4c6027d9d219250cabd90..5712580192b0c148bb50ca4dcb1141699915c1f2 100644
--- a/assets/js/tuto3.js
+++ b/assets/js/tuto3.js
@@ -29,7 +29,7 @@
     let lang = $application.attr('data-lang');
     // Lang file extension used for subtitles
     let langExt = lang && lang === 'fr' ? '':`-${lang}`;
-    let videoExt = lang && lang === 'fr' ? '':`-en`;
+    let videoExt = langExt;
 
     // Chemins
     let dataFolder = baseURL + "/data";