diff --git a/index.js b/index.js
index c747cc8..b3eeba5 100644
--- a/index.js
+++ b/index.js
@@ -6,7 +6,9 @@ const RELEASE_LABEL = 'autorelease: pending'
 
 async function main () {
   const bumpMinorPreMajor = Boolean(core.getInput('bump-minor-pre-major'))
-  const clean = core.getInput('clean') ? true : undefined
+  // TODO(bcoe): remove this log line.
+  console.info(typeof core.getInput('clean'), core.getInput('clean'));
+  const clean = core.getInput('clean') === 'false' ? false : true
   const monorepoTags = Boolean(core.getInput('monorepo-tags'))
   const packageName = core.getInput('package-name')
   const path = core.getInput('path') ? core.getInput('path') : undefined