diff --git a/scripts/generateSummaryTileCache.ts b/scripts/generateSummaryTileCache.ts
index 49882ce85..0ff543618 100644
--- a/scripts/generateSummaryTileCache.ts
+++ b/scripts/generateSummaryTileCache.ts
@@ -40,18 +40,18 @@ class GenerateSummaryTileCache extends Script {
         if (existsSync(path)) {
             return JSON.parse(readFileSync(path, "utf8"))
         }
-        if(sleepMs > 0){
+        if (sleepMs > 0) {
             await ScriptUtils.sleep(sleepMs)
         }
         let feature: Feature<Point>
         if (z >= 14) {
             feature = await this.fetchTile(z, x, y, layersSummed)
         } else {
-            const parts = await Promise.all([
-                this.fetchTileRecursive(z + 1, x * 2, y * 2, layersSummed, 50),
-                this.fetchTileRecursive(z + 1, x * 2 + 1, y * 2, layersSummed,100),
-                this.fetchTileRecursive(z + 1, x * 2, y * 2 + 1, layersSummed,250),
-                this.fetchTileRecursive(z + 1, x * 2 + 1, y * 2 + 1, layersSummed, 500)])
+            const parts = [
+               await this.fetchTileRecursive(z + 1, x * 2, y * 2, layersSummed),
+               await this.fetchTileRecursive(z + 1, x * 2 + 1, y * 2, layersSummeawait d),
+               await this.fetchTileRecursive(z + 1, x * 2, y * 2 + 1, layersSummed),
+               await this.fetchTileRecursive(z + 1, x * 2 + 1, y * 2 + 1, layersSummed)]
             const sum = this.sumTotals(parts.map(f => f.properties))
             feature = <Feature<Point>>{
                 type: "Feature",