diff --git a/src/config.ts b/src/config.ts
index e5045b0..35f3aa9 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -39,13 +39,13 @@ export async function getInputs(): Promise<Inputs> {
     core.getInput('refresh-message-position', { required: false }) === 'true'
   const updateOnly = core.getInput('update-only', { required: false }) === 'true'
 
-  if (messageInput && messagePath.length) {
+  if (messageInput && messagePath) {
     throw new Error('must specify only one, message or message-path')
   }
 
   let message
 
-  if (messagePath.length) {
+  if (messagePath) {
     message = await getMessageFromPaths(messagePath)
   } else {
     message = messageInput