diff --git a/groundstation/pacsat.sh b/groundstation/pacsat.sh
index eede956b..1e937470 100755
--- a/groundstation/pacsat.sh
+++ b/groundstation/pacsat.sh
@@ -46,7 +46,9 @@ fi
 if [[ $(arecord -l | grep "USB Audio Device") ]] ; then
   echo "USB Sound Card detected"
   soundcard=1
+  systemctl --user stop wireplumber
   amixer -c 2 set MicVolume 200
+  systemctl --user start wireplumber
 else
   echo "No USB Sound Card detected"
   soundcard=0