diff --git a/routes/videoRoutes.js b/routes/videoRoutes.js
index bfd2096..28fe3c5 100644
--- a/routes/videoRoutes.js
+++ b/routes/videoRoutes.js
@@ -342,7 +342,9 @@ router.post('/videos/render/:video_id', async (req, res) => {
          console.log('Path list:', pathList);
          res.json({ message: 'Render process started' });
 
-         const videoFile = await videoManager.createVideoWithList(project_id, pathList);
+         duration = results.rows[0].duration;
+
+         const videoFile = await videoManager.createVideoWithList(project_id, pathList, duration);
          console.log('Video file:', videoFile);
 
          await videoManager.updateVideoFile(videoId, videoFile);
diff --git a/src/video/videoManager.js b/src/video/videoManager.js
index 1aed47c..3e06eff 100644
--- a/src/video/videoManager.js
+++ b/src/video/videoManager.js
@@ -27,7 +27,7 @@ async function deleteVideoProject(videoId) {
    return res.rows[0];
 }
 
-async function createVideoWithList(projectId, pathList) {
+async function createVideoWithList(projectId, pathList, duration) {
    //pathList étant la liste des chemins déjà triés
    const tempFile = path.join('temp.txt');
    try {
@@ -55,7 +55,7 @@ async function createVideoWithList(projectId, pathList) {
       // Créer un fichier temporaire pour la liste des images
       fs.writeFileSync(tempFile, sortedImages.map(image => `file '${image}'`).join('\n'));
 
-      const frameRate = 10;
+      const frameRate = Math.ceil(sortedImages.length / duration);
 
       // le fichier final prend cette forme : {projectId}_{firstImageId}_{lastImageId}-{timestamp}.mp4
       const timestamp = new Date().getTime();