Yep. This is why they should either use the splitline districting method (a method that uses an algorithm to make equally-populated districts while maintaining the smallest possible perimeter-to-area ratio for each district to prevent gerrymandering) or make all Congressional seats at-large districts (which would mean that every person would vote for every member of their state's House delegation, which would also prevent gerrymandering but be an absolute nightmare for voters in massive states like California or Texas, who would have to vote for 53 and 36 Representatives, respectively).