diff --git a/src/trekstor.rs b/src/trekstor.rs
index 9dbd7ad..fb20e46 100644
--- a/src/trekstor.rs
+++ b/src/trekstor.rs
@@ -51,7 +51,12 @@ impl Trekstor {
             self.screen.flush();
             self.input.finish();
 
-            let wait_time = self.update_timestep - dt;
+            let wait_time = if dt < self.update_timestep {
+                dt - self.update_timestep
+            } else {
+                Duration::from_millis(33)
+            };
+
             dbg!(wait_time);
             sleep(wait_time);
         }