diff --git a/src/net/net.rs b/src/net/net.rs
index b6b3e17..22233f3 100644
--- a/src/net/net.rs
+++ b/src/net/net.rs
@@ -246,14 +246,16 @@ impl ServerHandle {
     pub fn send(&mut self, buffer: &mut [u8], num_bytes: usize, socket_handles: SocketHandle) {
         let socket = self.socket_set.get_mut::<Socket>(socket_handles);
         if num_bytes > 0 {
-            match socket.send_slice(&buffer[..num_bytes]) {
-                Ok(_) => {
-                    info!("Enqueued {} bytes.", num_bytes);
-                }
-                Err(err) => {
-                    info!("Bytes cannot be sent. Error: {:?}", err)
-                }
-            };
+            cortex_m::interrupt::free(|_| {
+                match socket.send_slice(&buffer[..num_bytes]) {
+                    Ok(_) => {
+                        info!("Enqueued {} bytes.", num_bytes);
+                    }
+                    Err(err) => {
+                        info!("Bytes cannot be sent. Error: {:?}", err)
+                    }
+                };
+            });
         }
     }