diff --git a/src/visualization.jl b/src/visualization.jl
index c87bef6..af4d23c 100644
--- a/src/visualization.jl
+++ b/src/visualization.jl
@@ -151,7 +151,6 @@ function build_ui(U, V, Du, Dv, F, k, params_obs, heat_obs)
     on(btn_start.clicks) do _
         running[] = !running[]
         if running[]
-            reset!(U, V, heat_obs)
             @async while running[]
                 multi_step!((U, V), stepsize[], heat_obs, params_obs)
                 sleep(0.0015)
@@ -164,8 +163,8 @@ function build_ui(U, V, Du, Dv, F, k, params_obs, heat_obs)
         Dv[] = 0.078
         F[] = 0.0617
         k[] = 0.062
-
-        reset!(U, V, heat_obs)
+        U .= 1.0
+        V .= 0.0
         starting_points!(U, V)
         heat_obs[] = copy(U)
     end