diff --git a/.gitea/workflows/isolation-check.yaml b/.gitea/workflows/isolation-check.yaml
index fc83701..b1c9985 100644
--- a/.gitea/workflows/isolation-check.yaml
+++ b/.gitea/workflows/isolation-check.yaml
@@ -81,7 +81,7 @@ jobs:
           echo "--- Checking for responses ---"
           for subnet in 192.168.0.1 192.168.1.1 10.0.0.1 172.16.0.1 172.17.0.1 \
           172.18.0.1 172.19.0.1 172.20.0.1 172.21.0.1 172.22.0.1 172.23.0.1 \
-          172.24.0.1 192.168.1.185; do
+          172.24.0.1 192.168.1.185 google.com; do
             echo -n "$subnet ... "
             ping -4 -n -c 1 -W 0.250 $subnet >/dev/null 2>&1 && echo -n "ping response . "
             curl -m 1 http://$subnet/ >/dev/null 2>&1 && echo -n "HTTP response . "