Crossword Genius

Let's make a change just in case (4)

Ross

I believe the answer is:

lest

'just in case' is the definition.
(I've seen this in another clue)

'let's make a change' is the wordplay.
'make a change' is an anagram indicator (I've seen 'making a change' mean this).
'lets' is an anagram of 'LEST'.

(Other definitions for lest that I've seen before include "To avoid the risk that - we forget?" , "In order not to, to avoid the risk that" , "For fear that (something should happen)" , "For fear that; in order to prevent" , "In case" .)

I've seen this clue in The Globe and Mail.
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