diff --git a/pyproject.toml b/pyproject.toml
index 2011f25..c2c30da 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -5,7 +5,7 @@ build-backend = "setuptools.build_meta"
 [project]
 name = "common"
 description = "Commonly reusable code"
-version = "0.1.16"
+version = "0.1.17"
 requires-python = ">=3.13"
 authors = [
   { name="BreakerBear", email="breakerbear@autistic.men" },
diff --git a/src/common/jsonrpc2/client.js b/src/common/jsonrpc2/client.js
index 2777a06..ae33853 100644
--- a/src/common/jsonrpc2/client.js
+++ b/src/common/jsonrpc2/client.js
@@ -24,7 +24,9 @@ export const Rpc2 = {
         let request = { method };
         if (args.length > 0) request.params = args;
         let body = JSON.stringify(request);
-        return navigator.sendBeacon('/', body);
+        if (!navigator.sendBeacon('/', body)) {
+            throw new Error('Data transmission failed');
+        }
     },
     invoke: async (method, ...args) => {
         let id = Math.floor(Math.random() * 1000000000);