diff --git a/src/engine.c b/src/engine.c
index 515ab9c..110dc9d 100644
--- a/src/engine.c
+++ b/src/engine.c
@@ -85,11 +85,10 @@ int _engine_run() {
 		update_objects();	// update world objects
 		draw_objects();		// draw world objects
 		swap_buffer();
-
-		while(_delta_time < _min_frame_interval) {
+		do {
 			timespec_get(&next_time, TIME_UTC);
 			_delta_time = timespec_to_sec(next_time) - timespec_to_sec(start_last_frame);
-		}
+		} while(_delta_time < _min_frame_interval);
 	}
 	return 0;
 }