to avoid confusion
to prevent confusion

Often such a change was made to avoid confusion with other leaders who had used the same or very similar ones.

To avoid confusion, the name was changed to the current one in the 1980s.

Having the right state of mind will help you avoid confusion.

It was clear the name of the town had to be changed to avoid confusion.

The main reason for the name change was to avoid confusion with the Reform party.

To avoid confusion with this town, the names were made different.

In some cases, to avoid confusion, both names are given.

"You'd best call us by our first names to avoid confusion."

We've all agreed that to avoid confusion I will do the speaking for everyone.

This is done to avoid confusion when playing a team with similar colors.