diff --git a/test/test-local.sh b/test/test-local.sh
index 61fd12634..f554fd3bc 100755
--- a/test/test-local.sh
+++ b/test/test-local.sh
@@ -3,8 +3,14 @@
 # This script will make your local Owncast server available at a public URL.
 # It's particularly useful for testing on mobile devices or want to test
 # activitypub integration.
+# Pass a custom domain as an argument if you have previously set it up at
+# localhost.run. Otherwise, a random hostname will be generated.
+# DOMAIN=me.example.com ./test/test-local.sh
+# Pass a port number as an argument if you are running Owncast on a different port.
+# By default, it will use port 8080.
+# PORT=8080 ./test/test-local.sh
 
-PORT=8080
+PORT="${PORT:=8080}"
 HOST="localhost"
 
 # Using nc (netcat) to check if the port is open
@@ -15,4 +21,11 @@ else
 	exit 1
 fi
 
-ssh -R 80:localhost:$PORT localhost.run
+if [ -n "$DOMAIN" ]; then
+	echo "Attempting to use custom domain: $DOMAIN"
+	ssh -R $DOMAIN:80:localhost:$PORT localhost.run
+
+else
+	echo "Using auto-generated hostname for tunnel."
+	ssh -R 80:localhost:$PORT localhost.run
+fi