Actually, seems you're right though it's obviously still more complicated than either one or the other. I was using outdated information, my bad.
Did some more research. A few links:
https://www.dw.com/en/fact-check-is-nuclear-energy-good-for-the-climate/a-59853315
https://www.purdue.edu/newsroom/releases/2020/Q2/can-renewable-energy-really-replace-fossil-fuels.html (Talks only about renewable energy but not nuclear, though I still found it helpful)