diff --git a/MainWindow.xaml.cs b/MainWindow.xaml.cs
index ddaa8d2..e1ef87a 100644
--- a/MainWindow.xaml.cs
+++ b/MainWindow.xaml.cs
@@ -88,6 +88,8 @@ private void update_tick(object sender, EventArgs e)
                 {
                     this.in_quest = true;
                     this.first_damage = DateTime.UtcNow;
+                    Array.Clear(this.prev_player_damages, 0, this.prev_player_damages.Length);
+                    Array.Clear(this.player_damages, 0, this.player_damages.Length);
                 }
                 
                 this.prev_player_damages = this.player_damages;