diff --git a/packages/electron-trpc/src/renderer/ipcLink.ts b/packages/electron-trpc/src/renderer/ipcLink.ts
index 1e6d7539..b224a8f6 100644
--- a/packages/electron-trpc/src/renderer/ipcLink.ts
+++ b/packages/electron-trpc/src/renderer/ipcLink.ts
@@ -74,6 +74,8 @@ export function ipcLink<TRouter extends AnyRouter>(): TRPCLink<TRouter> {
 
     return ({ op }) => {
       return observable((observer) => {
+        op.input = runtime.transformer.serialize(op.input);
+
         let isDone = false;
         const unsubscribe = client.request(op, {
           error(err) {