diff --git a/visual_workflow_builder/frontend_v4/src/components/CapturePanel.tsx b/visual_workflow_builder/frontend_v4/src/components/CapturePanel.tsx
index 9d6b26eb3..7191be079 100644
--- a/visual_workflow_builder/frontend_v4/src/components/CapturePanel.tsx
+++ b/visual_workflow_builder/frontend_v4/src/components/CapturePanel.tsx
@@ -615,7 +615,7 @@ function FullscreenSelector({
           alt="Capture plein ecran"
           draggable={false}
           onLoad={handleImageLoad}
-          style={{ maxWidth: '100%', maxHeight: '100%', objectFit: 'contain' }}
+          style={{ maxWidth: '100%', maxHeight: 'calc(100vh - 70px)', objectFit: 'contain' }}
         />
 
         {/* Overlay : positionne exactement sur l'image via imageRect.