The Austrian's family is based in New York and he rejected offers from the MLS last summer to stay another season at the King Power.
The same predicament is on the horizon for the 34-year-old, with the Foxes set to offer him an extension.
"I actually wanted to move to my family in the United States last summer, but because of Brendan Rodgers, I extended until the summer of 2020," he told German magazine Socrates.
"I don't yet know what will happen next. It is a difficult decision because in Leicester it is fun, on the one hand, but, on the other hand, it hurts to miss so many important moments in the development of my children."
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