diff --git a/src/config.js b/src/config.js
index 119a930..e9d58ff 100644
--- a/src/config.js
+++ b/src/config.js
@@ -27,11 +27,18 @@ const getRef = () => {
 
 const thisBranchName = () => {
 
-  const ref = getRef();
+  try {
+    const ref = getRef();
 
-  const refParts = ref.split('/');
+    const refParts = ref.split('/');
 
-  return refParts[refParts.length-1];
+    return refParts[refParts.length-1];
+  }
+  catch (error) {
+    core.error(`Unable to get current branch name : ${error.message}`);
+  }
+
+  return DEFAULT_BRANCH_NAME;
 };
 
 const isDefaultBranch = () => {