diff --git a/groundstation/sstv_decode_sim.sh b/groundstation/sstv_decode_sim.sh
index dfdf3e96..fc07a33f 100755
--- a/groundstation/sstv_decode_sim.sh
+++ b/groundstation/sstv_decode_sim.sh
@@ -37,6 +37,6 @@ sleep 5
 
 #sudo systemctl restart cubesatsim
 
-rtl_fm -M fm -f 434.9M -s 48k | aplay -D hw:3,0,0 -r 48000 -t raw -f S16_LE -c 1 
+rtl_fm -M fm -f 434.9M -s 48k | aplay -D hw:2,0,0 -r 48000 -t raw -f S16_LE -c 1 
 
 $SHELL