how to not record game audio twice

OK so I stream my Nintendo switch with my elgato capture card and to record i use video capture device as my source well usually when i record or stream I go in the advanced audio propriety and change it to monitor and output so I can hear it and it doesn't do the echo thing when my monitor volume is on. My only issue is that sometimes I want to talk to people with discord so I use desktop audio but then it records my game audio twice because i have Monitor and output on so i have to change it to monitor only so my desktop audio doesn't pick it up. is there any way that I can hear my game audio without it recording twice while I have desktop audio on?
 
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