Crossword Genius

Stigma soon converted to be beneficial (3,2,5)

Ross

I believe the answer is:

not go amiss

'be beneficial' is the definition.
(if something 'would not go amiss', it is helpful)

'stigma soon converted' is the wordplay.
'converted' is an anagram indicator.
'stigma'+'soon'='stigmasoon'
'stigmasoon' anagrammed gives 'NOT GO AMISS'.

'to' is the link.

I've seen this clue in The Times.
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