Country star Garth Brooks is demanding the return of a $500,000 donation he made to a hospital in Oklahoma after medical executives reportedly reneged on a deal to name a building after his late mother.

The singer handed over the big check to Integris Canadian Valley Regional in Yukon in 2005 on the condition that the cash was used to fund the building of a new hospital wing, dedicated to his mom Colleen, who died from cancer in 1999.

The medical center underwent an extensive renovation, but the building Brooks donated the cash for never materialized, reports TMZ.com.

Brooks is taking legal action against hospital chiefs for breach of contract, but Integris bosses insist the mishap was a big misunderstanding and are confident the dispute will reach a "swift and amicable end."

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(This news article provided by World Entertainment News Network)