diff --git a/setup/so-setup b/setup/so-setup
index 69cbfbee1..9f386c4a6 100755
--- a/setup/so-setup
+++ b/setup/so-setup
@@ -208,8 +208,8 @@ if [ -n "$test_profile" ]; then
 	fi
 
 	ALLOW_CIDR=0.0.0.0/0
-	MNIC=eth0
-	BNICS=eth1
+	MNIC=$(ls -1 /sys/class/net | head -1)
+	BNICS=$(ls -1 /sys/class/net | head -2 | tail -1)
 	WEBUSER=onionuser@somewhere.invalid
 	WEBPASSWD1=0n10nus3r
 	WEBPASSWD2=0n10nus3r