Free Zoom version - problems with cutting off after 40min with 2 participants

Hi,

I have a Free version of Zoom and it states that your limit is 40min for meetings having more than 3 participants then it cuts off. But I recently had a meeting with only 1 participant logged in and it still cut off after 40min. But it should have continued. is anyone else having this problem? Do I have to do anything in my settings?

One incident I had only 1 participant joined in. Another time, I had 2 others join in the meeting so it was 3 of us. but still cut out after 40min even though I scheduled our meeting for 1 hour. 

is there a problem with my version?