diff --git a/index.js b/index.js
index c4df2b10..435fd8bd 100644
--- a/index.js
+++ b/index.js
@@ -24,7 +24,7 @@ const run = async () => {
         "Action must be run in conjunction with the `pull_request` event"
       );
     }
-    const MAX_TIMEOUT = Number(core.getInput("site_name")) || 60;
+    const MAX_TIMEOUT = Number(core.getInput("max_timeout")) || 60;
     const siteName = core.getInput("site_name");
     if (!siteName) {
       core.setFailed("Required field `site_name` was not provided");