I would find something to prevent that. I can't tell for sure but my first thought is getting a dowel rod that will fill the gap and hot glue it in place.
I will have to try that..it will give him something else to play on too.
0.1 normal
1.0 spider
1.0 pinstripe
1.0 bumblebee
1.0 green iguana
2.1 bearded dragons
1.3 children
0.1 wife