diff --git a/src/trekstor.rs b/src/trekstor.rs
index 979956b..cbe4c68 100644
--- a/src/trekstor.rs
+++ b/src/trekstor.rs
@@ -41,7 +41,7 @@ impl Trekstor {
             self.current_time = Instant::now();
             let dt = self.current_time - self.last_time;
 
-            println!("FPS: {}", dt.as_millis());
+            println!("FPS: {}", 1.0 / dt.as_secs_f64());
 
             if !update(&mut self.screen, &self.input) {
                 return;