Oil feed line leak

[QuattroCalum]

Hi guys, I replaced the CHRA last week and I have a leak at the turbo end, I tightened it a little but it seems worse.
Is their an o ring on that end of the line that needs replaced or should I just replace the whole line?
Thanks in advance.

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[Ralphthemouth]

Darkside do a braided hose oil feed pipe that's cheaper than the rigid pipe. Think it was about £40/50. Supposed to be reusable. Where as the rigid one is one fit only. Apparently.