diff --git a/src/trekstor.rs b/src/trekstor.rs
index 473fe56..15481b9 100644
--- a/src/trekstor.rs
+++ b/src/trekstor.rs
@@ -55,10 +55,10 @@ impl Trekstor {
 
             let dt = self.current_time - self.last_time;
             self.last_time = self.current_time;
+            last_frame_time = Instant::now();
             if dt < self.update_timestep {
                 sleep(self.update_timestep - dt);
             }
-            last_frame_time = Instant::now();
         }
     }
 }