diff --git a/pedestrian.hpp b/pedestrian.hpp
index cbe0009..9971657 100644
--- a/pedestrian.hpp
+++ b/pedestrian.hpp
@@ -16,7 +16,7 @@ struct Pedestrian {
   Vector2d destination;
   Vector2d f_i;
 
-  Pedestrian() : color(WHITE), curr_vel(0.0, 0.0), curr_pos(0.0, 0.0), e(0.0, 0.0), v_max(0.0), desired_v0(0.0), destination(0.0, 0.0), f_i(0.0, 0.0) {}
+  Pedestrian() : color(WHITE), curr_vel(0.0, 0.0), w(0.0, 0.0), curr_pos(0.0, 0.0), e(0.0, 0.0), v_max(0.0), desired_v0(0.0), destination(0.0, 0.0), f_i(0.0, 0.0) {}
 
   Pedestrian(Color clr, Vector2d c_v, Vector2d c_p, Vector2d e, double v_max, double desired_v0, Vector2d d, Vector2d f)
       : color(clr), curr_vel(c_v), w(c_v), // initialize w = v at t=0