diff --git a/package.json b/package.json
index f5629e3069..e054fd6b9a 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@globalfishingwatch/maplibre-gl",
   "description": "BSD licensed community fork of mapbox-gl, a WebGL interactive maps library",
-  "version": "2.1.9-gfw.21",
+  "version": "2.1.9-gfw.22",
   "main": "dist/maplibre-gl.js",
   "style": "dist/maplibre-gl.css",
   "license": "BSD-3-Clause",
diff --git a/src/source/source_cache.ts b/src/source/source_cache.ts
index 1a3ebdbc9b..cf7785bd24 100644
--- a/src/source/source_cache.ts
+++ b/src/source/source_cache.ts
@@ -292,7 +292,7 @@ class SourceCache extends Evented {
         }
 
         if (this.loaded()) {
-            this._source.fire(new Event('data', { dataType: 'sourcetiles', sourceId: this._source.id }));
+            this._source.fire(new Event('data', {dataType: 'sourcetiles', sourceId: this._source.id}));
         }
     }
 
diff --git a/src/style/style.ts b/src/style/style.ts
index 64bfac4279..82af00169d 100644
--- a/src/style/style.ts
+++ b/src/style/style.ts
@@ -1264,7 +1264,7 @@ class Style extends Evented {
         (id: string, transform: Transform) => {
             this.sourceCaches[id].update(transform);
         },
-        60
+        60, {leading: true}
     );
 
     _updateSources(transform: Transform) {