diff --git a/package-lock.json b/package-lock.json
index 71a0166e4e3714e4921fd25464aeb345fd564ef9..f70e95601cd758d5216880f229e8491201fb68c2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13259,6 +13259,7 @@
               "version": "1.1.11",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "balanced-match": "^1.0.0",
                 "concat-map": "0.0.1"
@@ -13427,6 +13428,7 @@
               "version": "3.0.4",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "brace-expansion": "^1.1.7"
               }
diff --git a/src/client/components/LeafletMap.js b/src/client/components/LeafletMap.js
index 5b718000a1690fbf94358631d55498d46d19f295..3943101c1c20fc1f29f90fe9317e84c0bd9b69d1 100644
--- a/src/client/components/LeafletMap.js
+++ b/src/client/components/LeafletMap.js
@@ -55,6 +55,10 @@ class LeafletMap extends React.Component {
     //   attribution: 'SeCo'
     // });
 
+    const test = L.tileLayer('http://mapwarper.net/maps/tile/28345/{z}/{x}/{y}.png', {
+      attribution: 'SeCo'
+    });
+
     // Marker layers
     this.resultMarkerLayer = L.layerGroup();
 
@@ -82,17 +86,17 @@ class LeafletMap extends React.Component {
     // const baseMaps = {
     //   'OpenStreetMap': OSMBaseLayer,
     // };
-    // const overlayMaps = {
-    //   'Search results': this.resultMarkerLayer,
-    //   'Karelian maps (MapWarper)': karelianMaps,
-    //   'Senate atlas (MapWarper)': senateAtlas,
-    //   'Western Front July 1917 (MapWarper)': westernFront
-    // };
+    const overlayMaps = {
+      // 'Search results': this.resultMarkerLayer,
+      // 'Karelian maps (MapWarper)': karelianMaps,
+      // 'Senate atlas (MapWarper)': senateAtlas,
+      'Paris': test
+    };
 
-    // this.layerControl = L.control.layers(
-    //   baseMaps,
-    //   overlayMaps,
-    // ).addTo(this.leafletMap);
+    this.layerControl = L.control.layers(
+      //baseMaps,
+      overlayMaps,
+    ).addTo(this.leafletMap);
 
     // L.control.opacity(
     //   overlayMaps, {