diff --git a/usr.sbin/bsdinstall/scripts/wlanconfig b/usr.sbin/bsdinstall/scripts/wlanconfig
--- a/usr.sbin/bsdinstall/scripts/wlanconfig
+++ b/usr.sbin/bsdinstall/scripts/wlanconfig
@@ -281,7 +281,7 @@
 	network={
 	\	ssid="$NETWORK"
 	\	scan_ssid=$SCANSSID
-	\	psk="$PASS"
+	\	psk="$(echo "$PASS" | sed 1d)"
 	\	priority=5
 	}
 	EOF