Tab completion and Mobaxterm

I am using Mobaxterm to access cluster that is running on Bash. I have an absurd, but very annoying issue. * When I installed Mobaxterm, Tab completion would end the path with a / and if you press it again, it would list all files and subdirectories in that path. * I have no idea what happened, but now as soon as I type a directory name, Tab completion ends with a blank space instead by / which is extremely annoying if I wanted to navigate further down the directory tree. To clarify this issue by an example, let's say I have the following directory structure:

src
+-lib1
  +-file.cpp
  +-lib2

When I type nano src/lib1 and press Tab I am expecting autocomplete src/lib1/. Hitting Tab again would then list file.cpp. Instead what happens is that I get src/lib1 so I have to delete blank space, type / manually and only then would things work. I hope you can imagine how frustrating this is when navigating through loads of directories. Overall, I want bash to add trailing / after each path during autocompletion, any idea how to enable this?