diff --git a/src/KiteModels.jl b/src/KiteModels.jl
index 67f6448a..bac4fe90 100644
--- a/src/KiteModels.jl
+++ b/src/KiteModels.jl
@@ -334,7 +334,8 @@ function SysState(s::AKM, zoom=1.0)
     heading = calc_heading(s)
     course = calc_course(s)
     v_app_norm = norm(s.v_apparent)
-    KiteUtils.SysState{P}(s.t_0, orient, elevation, azimuth, s.l_tether, s.v_reel_out, force, s.depower, s.steering, 
+    t_sim = 0
+    KiteUtils.SysState{P}(s.t_0, t_sim, orient, elevation, azimuth, s.l_tether, s.v_reel_out, force, s.depower, s.steering, 
                           heading, course, v_app_norm, s.vel_kite, X, Y, Z)
 end