dateDiff Question

[Winston2]

During login I'm testing whether the user has changed their password in the
last 90 days.
Unfortunately the dateDiff function I'm using produces a negative number. Is
there any way that I can change the datediff below to produce a positive number
instead of a negative number? Thank you.

<cfif datediff('d',now(),getUserInfo.PWchangeDate) gte 90>
<cflocation URL="#Request.Self#?fuseAction=changePassword&msg= 5" addtoken="No">
</cfif>

[BKBK]

<cfif ABS(datediff('d',now(),getUserInfo.PWchangeDate)) gte 90>

[Winston2]

Thank you very much guys.
I really appreciate your help.