diff --git a/dist/index.js b/dist/index.js
index 607afa3..9506288 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -26194,8 +26194,7 @@ var __webpack_exports__ = {}
     const botUser = `${appUser.slug}[bot]`
     context.botUser = botUser
 
-    const owner = process.env.GITHUB_REPOSITORY_OWNER
-    const repo = process.env.GITHUB_REPOSITORY_NAME
+    const [owner, repo] = process.env.GITHUB_REPOSITORY.split('/')
     if (context.eventName === 'workflow_dispatch') {
       const users = await query(octokit, owner, repo, core)
       for (const user of users) {
diff --git a/src/index.js b/src/index.js
index 38ccec6..778c08d 100644
--- a/src/index.js
+++ b/src/index.js
@@ -40,8 +40,7 @@ async function run() {
   const botUser = `${appUser.slug}[bot]`
   context.botUser = botUser
 
-  const owner = process.env.GITHUB_REPOSITORY_OWNER
-  const repo = process.env.GITHUB_REPOSITORY_NAME
+  const [owner, repo] = process.env.GITHUB_REPOSITORY.split('/')
   if (context.eventName === 'workflow_dispatch') {
     const users = await query(octokit, owner, repo, core)
     for (const user of users) {