diff --git a/Ball.cpp b/Ball.cpp
index 5e431b0..aa478cf 100644
--- a/Ball.cpp
+++ b/Ball.cpp
@@ -70,7 +70,7 @@ void Ball::_compute_v_z(Point normal) {
 
 void Ball::update_pos(double dt) {
     crt_time += dt;
-    if (crt_time >= T) {
+    if ((bouncing) && (crt_time >= T)) {
         double old_t = T;
         double max_t;
         Point normal = surface.getNormalVector();
@@ -83,7 +83,7 @@ void Ball::update_pos(double dt) {
         _compute_v_z(normal);
         max_t = (T - old_t)/2.0 + old_t;
 
-        if ((bouncing) && ((A + B * max_t - (G_CTE / 2) * max_t * max_t + min_height) < radius)) {
+        if (((A + B * max_t - (G_CTE / 2) * max_t * max_t + min_height) < radius)) {
             stop_bouncing = crt_time;
             bouncing = false;
         }