diff --git a/index.js b/index.js
index 453495c..92fb48c 100644
--- a/index.js
+++ b/index.js
@@ -3,7 +3,8 @@ const { execSync } = require('child_process')
 
 // Change working directory if user defined PACKAGEJSON_DIR
 if (process.env.PACKAGEJSON_DIR) {
-  process.chdir(`${process.env.GITHUB_WORKSPACE}/${process.env.PACKAGEJSON_DIR}`)
+  process.env.GITHUB_WORKSPACE = `${process.env.GITHUB_WORKSPACE}/${process.env.PACKAGEJSON_DIR}`
+  process.chdir(process.env.GITHUB_WORKSPACE)
 }
 
 // Run your GitHub Action!