diff --git a/index.js b/index.js
index 3b9ceea..70c73ad 100644
--- a/index.js
+++ b/index.js
@@ -92,7 +92,9 @@ const workspace = process.env.GITHUB_WORKSPACE;
       }),
     )
   ) {
-    preid = foundWord.split('-')[1];
+    if (foundWord != ''){
+      preid = foundWord.split('-')[1];
+    } 
     version = 'prerelease';
   }