diff --git a/script.sh b/script.sh
index b0f1f7d..0dc2c55 100755
--- a/script.sh
+++ b/script.sh
@@ -41,10 +41,16 @@ then
     NETLIFY_DEPLOY_OPTIONS="${NETLIFY_DEPLOY_OPTIONS} --debug"
 fi
 
-NETLIFY_AUTH="--auth $PLUGIN_TOKEN"
-echo "> Deploying on Netlify..." &&
-echo "> (Using options $NETLIFY_DEPLOY_OPTIONS)" &&
-netlify deploy $NETLIFY_AUTH $NETLIFY_DEPLOY_OPTIONS --message "$DRONE_COMMIT_MESSAGE";
+if [ -n "$PLUGIN_SITE" ]
+then
+    NETLIFY_SITE="--auth $PLUGIN_TOKEN --site $PLUGIN_SITE"
+    echo "> Deploying on Netlify…" &&
+    echo "> (Using option $NETLIFY_DEPLOY_OPTIONS)" &&
+    netlify deploy $NETLIFY_SITE $NETLIFY_DEPLOY_OPTIONS --message "$DRONE_COMMIT_MESSAGE";
+else
+    echo "> Error! site (site ID or name) and token are required"
+    exit 1
+fi
 
 rc=$?;
 if [[ $rc != 0 ]]