diff --git a/lib/debug.js b/lib/debug.js
index 21edf1ca..8e2b6909 100644
--- a/lib/debug.js
+++ b/lib/debug.js
@@ -1,5 +1,5 @@
 function debug (title, content) {
-  if (process.env.CI === 'true') {
+  if (process.env.DEBUG === 'true') {
     console.log(`::group::${title}`)
     console.log(JSON.stringify(content, null, 3))
     console.log('::endgroup::')