Ohio’s term-limited Republican governor, John Kasich, has so far avoided endorsing the GOP nominee to replace him, state attorney general Mike DeWine, citing concerns about the future of one of his signature policies, Medicaid expansion.

“It was held and some people won,” Kasich said simply when asked about the gubernatorial primary on Wednesday, before adding that he feels “very, very strongly about the issue of Medicaid expansion.”

DeWine has floated implementing restrictions on those seeking Medicaid coverage, including a work requirement, and his campaign has confirmed that he would “pursue block granting of Medicaid” if elected. Kasich’s Medicaid expansion has provided health insurance to over 700,000 low-income Ohioans who did not have coverage before 2013, and critics assert that proposals to convert the program to a block-grant model would almost certainly lead to cuts in that coverage.

Kasich “looks forward to meeting with Mike and discussing the concerns,” his spokesman, Chris Schrimpf, said earlier this week.