diff --git a/src/store/modules/layers.store.js b/src/store/modules/layers.store.js
index 28ca5c768..e4b9bc30c 100644
--- a/src/store/modules/layers.store.js
+++ b/src/store/modules/layers.store.js
@@ -338,6 +338,7 @@ const actions = {
                 const clone = layerConfig.clone()
                 clone.visible = layer.visible
                 clone.opacity = layer.opacity
+                clone.customAttributes = layer.customAttributes
                 if (layer.timeConfig) {
                     clone.timeConfig.updateCurrentTimeEntry(
                         clone.timeConfig.getTimeEntryForYear(layer.timeConfig.currentYear)
diff --git a/tests/cypress/tests-e2e/layers.cy.js b/tests/cypress/tests-e2e/layers.cy.js
index e0e8135ec..d77b36fc6 100644
--- a/tests/cypress/tests-e2e/layers.cy.js
+++ b/tests/cypress/tests-e2e/layers.cy.js
@@ -1368,4 +1368,20 @@ describe('Test of layer handling', () => {
             cy.wait('@geojson-data', { timeout: 5000 })
         })
     })
+    context('Custom url attributes', () => {
+        it('Keep custom attributes when changing language', () => {
+            cy.goToMapView({
+                lang: 'fr',
+            })
+            cy.wait(['@routeChange', '@layers', '@topics', '@topic-ech'])
+            cy.goToMapView({
+                lang: 'en',
+                bgLayer: 'ch.swisstopo.pixelkarte-farbe',
+                topic: 'ech',
+                layers: 'WMS|https://wms.geo.admin.ch/?item=2024-10-30t103151|test.background.layer@item=2024-10-30t103151',
+            })
+            cy.wait(['@routeChange', '@layers', '@topics', '@topic-ech'])
+            cy.url().should('contain', 'item=2024-10-30t103151')
+        })
+    })
 })