diff --git a/src/core.rs b/src/core.rs
index 5fc218a7..bb659486 100644
--- a/src/core.rs
+++ b/src/core.rs
@@ -114,13 +114,16 @@ pub fn main_thread (
     let sleep = Duration::from_millis(16);
     Ok(spawn(move || loop {
 
-        terminal.draw(|frame|{
-            let area   = frame.size();
-            let buffer = frame.buffer_mut();
-            device.read().unwrap()
-                .render(buffer, area)
-                .expect("Failed to render content");
-        }).expect("Failed to render frame");
+        if let Ok(device) = device.try_read() {
+            terminal.draw(|frame|{
+                let area   = frame.size();
+                let buffer = frame.buffer_mut();
+                device
+                    .render(buffer, area)
+                    .expect("Failed to render content");
+            })
+                .expect("Failed to render frame");
+        }
 
         if exited.fetch_and(true, Ordering::Relaxed) {
             break