Access site via local dev IP address => certain image path (xxx.dev) isn't replaced with IP address I'm accessing my site through a local IP address (192.168.1.128:3000 that mirrors xxx.dev)

In my general.php I have these settings which work fine when accessed through IP =>



I then request for 2 image transforms (one non-retina, the other retina):



But when I check the rendered source code in the browser, I notice that only my retina (big format) doesn't have the IP address in it's path, how is this possible?



This isn't that big of an issue on my desktop because it will always find the xxx.dev, but when I try to test the site on my iPhone - through the IP address - it doesn't render the retina image because it can't find the xxx.dev

Any ideas on this one? Thanks in advance!
This issue suddenly fixed itself without any changes that I'm aware of... Thanks anyway!