diff --git a/umap/static/umap/js/modules/sync/updaters.js b/umap/static/umap/js/modules/sync/updaters.js
index bcc311d1..eafb51f2 100644
--- a/umap/static/umap/js/modules/sync/updaters.js
+++ b/umap/static/umap/js/modules/sync/updaters.js
@@ -55,7 +55,6 @@ export class DataLayerUpdater extends BaseUpdater {
   upsert({ value }) {
     // Upsert only happens when a new datalayer is created.
     this._umap.createDataLayer(value, false)
-    this._umap.render([])
   }
 
   update({ key, metadata, value }) {
diff --git a/umap/static/umap/js/modules/umap.js b/umap/static/umap/js/modules/umap.js
index 68a325d2..56199b08 100644
--- a/umap/static/umap/js/modules/umap.js
+++ b/umap/static/umap/js/modules/umap.js
@@ -1261,9 +1261,10 @@ export default class Umap extends ServerStored {
     }
   }
 
-  render(fields) {
-    const impacted = this.propagate(fields)
-    if (impacted) return // No need to run a wider reflow
+  render(fields = []) {
+    // Propagate will remove the fields it has already
+    // processed
+    fields = this.propagate(fields)
 
     const impacts = Utils.getImpactsFromSchema(fields)
     for (const impact of impacts) {
@@ -1327,14 +1328,13 @@ export default class Umap extends ServerStored {
         })
       },
     }
-    let impacted = false
     for (const [field, impact] of Object.entries(impacts)) {
       if (!fields.length || fields.includes(field)) {
         impact()
-        impacted = true
+        fields = fields.filter((item) => item !== field)
       }
     }
-    return impacted
+    return fields
   }
 
   // TODO: allow to control the default datalayer
@@ -1537,7 +1537,6 @@ export default class Umap extends ServerStored {
 
   importRaw(rawData) {
     const importedData = JSON.parse(rawData)
-    const mustReindex = 'sortKey' in Object.keys(importedData.properties)
 
     this.setProperties(importedData.properties)
 
@@ -1554,12 +1553,12 @@ export default class Umap extends ServerStored {
       dataLayer.fromUmapGeoJSON(geojson)
     }
 
-    this._leafletMap.renderUI()
-    this.eachDataLayer((datalayer) => {
-      if (mustReindex) datalayer.reindex()
-      datalayer.redraw()
-    })
-    this.propagate()
+    // For now render->propagate expect a `properties.` prefix.
+    // Remove this when we have refactored schema and render.
+    const fields = Object.keys(importedData.properties).map(
+      (field) => `properties.${field}`
+    )
+    this.render(fields)
     this._leafletMap._setDefaultCenter()
     this.isDirty = true
   }
diff --git a/umap/tests/base.py b/umap/tests/base.py
index 7833d00a..81aaac3c 100644
--- a/umap/tests/base.py
+++ b/umap/tests/base.py
@@ -42,7 +42,7 @@ class LicenceFactory(factory.django.DjangoModelFactory):
 
 class TileLayerFactory(factory.django.DjangoModelFactory):
     name = "Test zoom layer"
-    url_template = "https://{s}.test.org/osmfr/{z}/{x}/{y}.png"
+    url_template = "https://tile.openstreetmap.org/{z}/{x}/{y}.png"
     attribution = "Test layer attribution"
 
     class Meta:
@@ -156,5 +156,6 @@ def login_required(response):
 
 
 def mock_tiles(route):
+    print("Intercepted route", route.request.url)
     path = Path(__file__).parent / "fixtures/empty_tile.png"
     route.fulfill(path=path)
diff --git a/umap/tests/integration/conftest.py b/umap/tests/integration/conftest.py
index 9bf1aad9..733cec4d 100644
--- a/umap/tests/integration/conftest.py
+++ b/umap/tests/integration/conftest.py
@@ -1,4 +1,5 @@
 import os
+import re
 import subprocess
 import time
 from pathlib import Path
@@ -25,7 +26,7 @@ def set_timeout(context):
 @pytest.fixture(autouse=True)
 def mock_osm_tiles(page):
     if not bool(os.environ.get("PWDEBUG", False)):
-        page.route("*/**/osmfr/**", mock_tiles)
+        page.route(re.compile(r".*tile\..*"), mock_tiles)
 
 
 @pytest.fixture
diff --git a/umap/tests/integration/test_import.py b/umap/tests/integration/test_import.py
index 11413eaa..757a766f 100644
--- a/umap/tests/integration/test_import.py
+++ b/umap/tests/integration/test_import.py
@@ -72,8 +72,6 @@ def test_umap_import_from_file(live_server, tilelayer, page):
 
 
 def test_umap_import_from_textarea(live_server, tilelayer, page, settings):
-    page.route("https://tile.openstreetmap.fr/hot/**", mock_tiles)
-
     settings.UMAP_ALLOW_ANONYMOUS = True
     page.goto(f"{live_server.url}/map/new/")
     page.get_by_role("button", name="Open browser").click()