diff --git a/examples/boot/application/rp/src/bin/a.rs b/examples/boot/application/rp/src/bin/a.rs
index 15fdaca8..a4602a7e 100644
--- a/examples/boot/application/rp/src/bin/a.rs
+++ b/examples/boot/application/rp/src/bin/a.rs
@@ -38,7 +38,7 @@ async fn main(_s: Spawner) {
     let flash = Mutex::new(RefCell::new(flash));
 
     let config = FirmwareUpdaterConfig::from_linkerfile_blocking(&flash);
-    let mut aligned = AlignedBuffer([0; 4]);
+    let mut aligned = AlignedBuffer([0; 1]);
     let mut updater = BlockingFirmwareUpdater::new(config, &mut aligned.0);
 
     Timer::after(Duration::from_secs(5)).await;