Retail marked as 1.13.5 - logs into classic not retail

As Title say when I try to log into retail it is marked as 1.13.5.35395 and it logs me into Classic whether I have Classic selected in the drop down menu or not, any assistance is appreciated

Edit: Just checked both of my folders for retail and classic and both have the WoW Classic EXE file as well

Hey, Mythronirus! This is currently a known issue that we’ve been seeing for some time. Our team had to push out a small fix earlier until a permanent resolution could be found. Here’s the forum thread for the issue:

For the moment, repairing the game and reinstalling the game has been the workaround for the issue until our team can find a more permanent resolution.