diff --git a/assets/src/modules/Permalink.js b/assets/src/modules/Permalink.js
index 8f5c54bb8c..24578ad1ca 100644
--- a/assets/src/modules/Permalink.js
+++ b/assets/src/modules/Permalink.js
@@ -143,10 +143,12 @@ export default class Permalink {
             if(itemsInURL && itemsInURL.includes(encodeURIComponent(item.name))){
                 const itemIndex = itemsInURL.indexOf(encodeURIComponent(item.name));
                 item.checked = true;
-                if(item.type === 'layer'){
+                if (item.type === 'layer' && stylesInURL[itemIndex]) {
                     item.wmsSelectedStyleName = decodeURIComponent(stylesInURL[itemIndex]);
                 }
-                item.opacity = parseFloat(opacitiesInURL[itemIndex]);
+                if (opacitiesInURL[itemIndex]) {
+                    item.opacity = parseFloat(opacitiesInURL[itemIndex]);
+                }
             } else {
                 item.checked = false;
             }
@@ -213,7 +215,7 @@ export default class Permalink {
 
         for (const item of lizMap.mainLizmap.state.rootMapGroup.findMapLayersAndGroups()) {
             if (item.checked){
-                itemsVisibility.push(item.name);
+                itemsVisibility.push(encodeURIComponent(item.name));
                 itemsStyle.push(item.wmsSelectedStyleName);
                 itemsOpacity.push(item.opacity);
             }
diff --git a/tests/end2end/playwright/permalink.spec.ts b/tests/end2end/playwright/permalink.spec.ts
index 1864dc390a..048a07a85a 100644
--- a/tests/end2end/playwright/permalink.spec.ts
+++ b/tests/end2end/playwright/permalink.spec.ts
@@ -378,7 +378,7 @@ test.describe('Permalink', () => {
         await expect(page.locator('#sub-dock .btn-opacity-layer.active')).toHaveText('60');
     });
 
-    test('Permalink parameters error: not enough styles', async ({ page }) => {
+    test('Permalink parameters error: not enough styles -> No errors', async ({ page }) => {
         const baseUrl = '/index.php/view/map?repository=testsrepository&project=permalink'
         const bbox = '3.7980645260916805,43.59756940064654,3.904383263124536,43.672963842067254'
         const layers = 'sousquartiers,Les%20quartiers%20%C3%A0%20Montpellier'
@@ -388,11 +388,11 @@ test.describe('Permalink', () => {
         await page.goto(url, { waitUntil: 'networkidle' });
 
         // Errors
-        await expect(page.locator('p.error-msg')).toHaveCount(1);
-        await expect(page.locator('#switcher lizmap-treeview ul li')).toHaveCount(0);
+        await expect(page.locator('p.error-msg')).toHaveCount(0);
+        await expect(page.locator('#switcher lizmap-treeview ul li')).not.toHaveCount(0);
     });
 
-    test('Permalink parameters error: not enough opacities', async ({ page }) => {
+    test('Permalink parameters error: not enough opacities -> No errors', async ({ page }) => {
         const baseUrl = '/index.php/view/map?repository=testsrepository&project=permalink'
         const bbox = '3.7980645260916805,43.59756940064654,3.904383263124536,43.672963842067254'
         const layers = 'sousquartiers,Les%20quartiers%20%C3%A0%20Montpellier'
@@ -402,7 +402,7 @@ test.describe('Permalink', () => {
         await page.goto(url, { waitUntil: 'networkidle' });
 
         // Errors
-        await expect(page.locator('p.error-msg')).toHaveCount(1);
-        await expect(page.locator('#switcher lizmap-treeview ul li')).toHaveCount(0);
+        await expect(page.locator('p.error-msg')).toHaveCount(0);
+        await expect(page.locator('#switcher lizmap-treeview ul li')).not.toHaveCount(0);
     });
 });