How to rotate the touch input on an external touchscreen connected to a Macbook Pro?

I am trying to connect an [external touchscreen](https://www.waveshare.com/product/displays/lcd-oled/lcd-oled-1/5.5inch-hdmi-amoled.htm) to a Macbook Pro (Mid 2015, macOS Mojave version 10.14.6). The touch input and the screen works, but by default the orientation of both of them is vertical. I need them to be horizontal. I can easily change the orientation of the screen (following the steps [described here](https://apple.stackexchange.com/a/101914/373357)) , but while the screen is rotated, the touch input stays vertical - so e.g. when I swipe left to right, the cursor moves up-down. I tried searching any mentions of similar problems and I went through all preferences, but I could not find anything related to my issue. Anyone experienced something similar? FWIW, I am connecting the screen using hdmi, and the touch input is connected via USB.