diff --git a/boards/nordic/nrf52840dk/src/main.rs b/boards/nordic/nrf52840dk/src/main.rs
index a5847805..f0b303bf 100644
--- a/boards/nordic/nrf52840dk/src/main.rs
+++ b/boards/nordic/nrf52840dk/src/main.rs
@@ -102,7 +102,7 @@ pub mod io;
 // Whether to use UART debugging or Segger RTT (USB) debugging.
 // - Set to false to use UART.
 // - Set to true to use Segger RTT over USB.
-const USB_DEBUGGING: bool = false;
+const USB_DEBUGGING: bool = true;
 
 // State for loading and holding applications.
 // How should the kernel respond when a process faults.
@@ -112,7 +112,7 @@ const FAULT_RESPONSE: kernel::procs::FaultResponse = kernel::procs::FaultRespons
 const NUM_PROCS: usize = 8;
 
 #[link_section = ".app_memory"]
-static mut APP_MEMORY: [u8; 0x3C000] = [0; 0x3C000];
+static mut APP_MEMORY: [u8; 0x3A000] = [0; 0x3A000];
 
 static mut PROCESSES: [Option<&'static dyn kernel::procs::ProcessType>; NUM_PROCS] =
     [None, None, None, None, None, None, None, None];