diff --git a/.env.production b/.env.production
new file mode 100644
index 0000000..6481413
--- /dev/null
+++ b/.env.production
@@ -0,0 +1 @@
+VITE_BASE_URL='/velo/traces/'
\ No newline at end of file
diff --git a/src/components/SideBar.jsx b/src/components/SideBar.jsx
index 92a80cb..f0abb67 100644
--- a/src/components/SideBar.jsx
+++ b/src/components/SideBar.jsx
@@ -32,7 +32,7 @@ const SideBar = ({step, currentYear, currentCountry, currentTile, geojsonList, h
             </div>
             <h3>tiles</h3>
             <div className='tags tiles'>
-                {tiles.map(tile => (<img src={`/img/${tile}.png`} key={tile} alt={tile} onClick={handleClickTile} className={`tag ${currentTile === tile && 'select'}`}/>))}
+                {tiles.map(tile => (<img src={`${import.meta.env.VITE_BASE_URL}/img/${tile}.png`} key={tile} alt={tile} onClick={handleClickTile} className={`tag ${currentTile === tile && 'select'}`}/>))}
             </div>
         </div>
         </>