diff --git a/src/rpc/client.rs b/src/rpc/client.rs
index d035fce51..95813df9f 100644
--- a/src/rpc/client.rs
+++ b/src/rpc/client.rs
@@ -199,8 +199,8 @@ impl RpcClient {
         let read_timeout = Duration::from_secs(30);
 
         loop {
-            // Nasty size
-            let mut buf = vec![0; 2048 * 10];
+            // FIXME: Nasty size. 8M
+            let mut buf = vec![0; 1024 * 8192];
 
             select! {
                 data = data_recv.recv().fuse() => {
diff --git a/src/rpc/server.rs b/src/rpc/server.rs
index ed8b61752..24c699661 100644
--- a/src/rpc/server.rs
+++ b/src/rpc/server.rs
@@ -48,8 +48,8 @@ async fn accept(
     rh: Arc<impl RequestHandler + 'static>,
 ) -> Result<()> {
     loop {
-        // Nasty size
-        let mut buf = vec![0; 8192 * 10];
+        // FIXME: Nasty size. 8M
+        let mut buf = vec![0; 1024 * 8192];
 
         let n = match stream.read(&mut buf).await {
             Ok(n) if n == 0 => {