How to filter slots without middle click?

[15Redstones]

The middle click on my mouse is broken. How do I filter wagon slots without it? I can't find the wagon slot filter key in the settings to rebind it.

[Tertius]

Should be category "inventory", next to last entry "toggle filter".

[15Redstones]

Tried setting it to shift+click. That doesn't work on inventory or wagon filters. It does work for hotbar filters.
Edit: Setting it to alt+click works... on windows! Not on Linux!