Web clipper annoyance

I’m using Safari and DTPO on a MacBook Pro. Here’s the annoyance: whenever I invoke the web clipper or a bookmarklet to save something from the web a popup appears asking whether I want to allow this page to open Devonthink. I respond yes, but the same popup appears the next time I want to save something. It’s getting downright tiresome.

I’ve checked and this behavior does not occur if I’m using Chrome or Firefox. But I’d prefer to use Safari.

Anyone know what’s causing this annoyance? And is there anything I can do to get rid of it?

See clip to devonthink extension