diff --git a/umap/static/umap/js/umap.controls.js b/umap/static/umap/js/umap.controls.js
index 210271b8..4fcd3fc1 100644
--- a/umap/static/umap/js/umap.controls.js
+++ b/umap/static/umap/js/umap.controls.js
@@ -763,6 +763,7 @@ const ControlsMixin = {
 U.TileLayerControl = L.Control.IconLayers.extend({
   initialize: function (map, options) {
     this.map = map
+    this.maxShown = 9
     L.Control.IconLayers.prototype.initialize.call(this, {
       position: 'topleft',
       manageLayers: false,
@@ -794,10 +795,26 @@ U.TileLayerControl = L.Control.IconLayers.extend({
         }
       })
     }
-    const maxShown = 10
-    L.Control.IconLayers.prototype.setLayers.call(this, layers.slice(0, maxShown))
+    L.Control.IconLayers.prototype.setLayers.call(this, layers.slice(0, this.maxShown))
     if (this.map.selected_tilelayer) this.setActiveLayer(this.map.selected_tilelayer)
   },
+
+  _createLayerElements: function () {
+    L.Control.IconLayers.prototype._createLayerElements.call(this)
+    if (Object.keys(this._layers) <= this.maxShown) return
+    const lastRow = this._container.querySelector(
+      '.leaflet-iconLayers-layersRow:last-child'
+    )
+    const button = L.DomUtil.element({
+      tagName: 'button',
+      className: 'leaflet-iconLayers-layerCell leaflet-iconLayers-layerCell-plus button',
+      textContent: '+',
+      parent: lastRow,
+    })
+    L.DomEvent.on(button, 'click', () =>
+      this.map._controls.tilelayersChooser.openSwitcher()
+    )
+  },
 })
 
 /* Used in edit mode to define the default tilelayer */
@@ -806,7 +823,7 @@ U.TileLayerChooser = L.Control.extend({
     position: 'topleft',
   },
 
-  initialize: function (map, options) {
+  initialize: function (map, options = {}) {
     this.map = map
     L.Control.prototype.initialize.call(this, options)
   },
@@ -824,15 +841,13 @@ U.TileLayerChooser = L.Control.extend({
     return container
   },
 
-  openSwitcher: function (options) {
+  openSwitcher: function (options = {}) {
     const container = L.DomUtil.create('div', 'umap-tilelayer-switcher-container')
     L.DomUtil.createTitle(container, L._('Change tilelayers'), 'icon-tilelayer')
     this._tilelayers_container = L.DomUtil.create('ul', '', container)
     this.buildList(options)
-    this.map.editPanel.open({
-      content: container,
-      className: options.className,
-    })
+    const panel = options.edit ? this.map.editPanel : this.map.panel
+    panel.open({ content: container })
   },
 
   buildList: function (options) {
diff --git a/umap/static/umap/js/umap.js b/umap/static/umap/js/umap.js
index 7b1b8779..ef2224c3 100644
--- a/umap/static/umap/js/umap.js
+++ b/umap/static/umap/js/umap.js
@@ -843,11 +843,9 @@ U.Map = L.Map.extend({
       this.options.tilelayer = tilelayer.toJSON()
       this.isDirty = true
     }
-    if (this._controls.tilelayersChooser)
-      this._controls.tilelayersChooser.openSwitcher({
-        callback: callback,
-        className: 'dark',
-      })
+    if (this._controls.tilelayersChooser) {
+      this._controls.tilelayersChooser.openSwitcher({ callback, edit: true })
+    }
   },
 
   toGeoJSON: function () {
diff --git a/umap/static/umap/map.css b/umap/static/umap/map.css
index 697d09db..dbadbf09 100644
--- a/umap/static/umap/map.css
+++ b/umap/static/umap/map.css
@@ -193,8 +193,8 @@
 .leaflet-iconLayers-layer {
     width: 38px;
     height: 38px;
-    box-shadow: 0px 0px 2px #444;
-    border: 1px solid #bbb;
+    box-shadow: none;
+    border: 1px solid var(--color-lightGray);
     border-radius: 4px;
 }
 .leaflet-iconLayers-layerTitleContainer {
@@ -218,6 +218,25 @@
 .leaflet-iconLayers-layerCell:hover .leaflet-iconLayers-layerTitleContainer {
     height: initial;
 }
+.leaflet-iconLayers-layerCell-plus {
+    width: 80px;
+    height: 80px;
+    background-color: var(--background-color);
+    vertical-align: middle;
+    text-align: center;
+    font-size: 3rem;
+    display: none;
+    line-height: 100%;
+    border-radius: var(--border-radius);
+    margin-bottom: 0;
+    border: 1px solid var(--color-lightGray);
+}
+.leaflet-iconLayers-layerCell-plus:hover {
+    background-color: var(--color-lightGray);
+}
+.leaflet-iconLayers:hover .leaflet-iconLayers-layerCell-plus {
+    display: block;
+}
 
 
 
diff --git a/umap/tests/integration/test_tilelayer.py b/umap/tests/integration/test_tilelayer.py
index e055d356..53e1b606 100644
--- a/umap/tests/integration/test_tilelayer.py
+++ b/umap/tests/integration/test_tilelayer.py
@@ -122,3 +122,20 @@ def test_can_have_smart_text_in_attribution(tilelayer, map, live_server, page):
     page.goto(f"{live_server.url}{map.get_absolute_url()}")
     expect(page.get_by_text("© OpenStreetMap contributors")).to_be_visible()
     expect(page.get_by_role("link", name="OpenStreetMap")).to_be_visible()
+
+
+def test_map_should_display_a_more_button(map, live_server, tilelayers, page):
+    map.settings["properties"]["tilelayersControl"] = True
+    map.save()
+    page.goto(f"{live_server.url}{map.get_absolute_url()}")
+    page.locator(".leaflet-iconLayers").hover()
+    page.get_by_role("button", name="+").click()
+    panel = page.locator(".panel.left.on")
+    expect(panel).to_be_visible()
+    expect(panel.get_by_text("Forte")).to_be_visible()
+    panel.get_by_text("Forte").click()
+    tiles = page.locator(".leaflet-tile-pane img")
+    url_pattern = re.compile(
+        r"https://[abc]{1}.forte.tiles.quaidorsay.fr/fr/\d+/\d+/\d+.png"
+    )
+    expect(tiles.first).to_have_attribute("src", url_pattern)