Simulink simulation does nothing for one second

Simulating my simulink model seems to do nothing for a full second and then performs the simulation as normal. Matlab script with same transfer functions does not reflect the same behavior. Problem occurs in both input and output scopes.

Scope of the output:

My simulink model:

I could use some help on how to fix this!

Thank you in advance!

Answer 1

[Maarten]

Shortly after posting, I discovered that the step block has an option called 'step time' that was somehow set to 1. Setting this to 0 fixed the problem.

I probably changed this accidentally.