diff --git a/applications/luci-app-fwknopd/root/usr/sbin/gen-qr.sh b/applications/luci-app-fwknopd/root/usr/sbin/gen-qr.sh
index cfd71525ca..48850bd361 100644
--- a/applications/luci-app-fwknopd/root/usr/sbin/gen-qr.sh
+++ b/applications/luci-app-fwknopd/root/usr/sbin/gen-qr.sh
@@ -23,4 +23,4 @@ if [ "$hmac_key" != "" ]; then
 qr="$qr HMAC_KEY:$hmac_key"
 fi
 
-qrencode -t svg -o - "$qr"
+qrencode -t svg -I -o - "$qr"