diff --git a/src/service/greetd.ts b/src/service/greetd.ts
index 10a475e..621a427 100644
--- a/src/service/greetd.ts
+++ b/src/service/greetd.ts
@@ -101,8 +101,12 @@ export class Greetd extends Service {
             ostream.put_int32(json.length, null);
             ostream.put_string(json, null);
 
-            const data = await istream.read_bytes_async(4, GLib.PRIORITY_DEFAULT, null);
-            const length = new Uint32Array(data.get_data()?.buffer || [0])[0];
+            const data = (
+                await istream.read_bytes_async(4, GLib.PRIORITY_DEFAULT, null)
+            ).get_data();
+            const length = data
+                ? new DataView(data.buffer, data.byteOffset, data.byteLength).getUint32(0, true)
+                : 0;
             const res = await istream.read_bytes_async(length, GLib.PRIORITY_DEFAULT, null);
             return JSON.parse(this._decoder.decode(res.get_data()!)) as Response;
         } finally {