Miovski netted the opener after just two minutes of the semi-final, which finished 3-3 after extra-time.
It was Miovski’s 24th goal of the season in all competitions.
Aberdeen begin their post-split Premiership fixtures, in the bottom six, with a home clash against Motherwell on Saturday.
Leven said: “Bojan is fine.
“He just cramped up a bit as he gave everything.”
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Aberdeen interim boss delivers injury update on star striker Bojan Miovski
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