It’s probably just an alternate pronunciation.

Considering that country names are different in different languages, I don’t see much of a problem with it.

If the last sentence made you go “?” Check the

• Chinese language name for China
• Japanese name for Japan
• Indian language names for India
• But also what China, Japan and India have names for other countries and even alternate names for historical personalities in their languages. In some cases, even regional languages will have other alternate names.