diff --git a/lib/get-commit.js b/lib/get-commit.js
index 5352859a..c7157dbf 100644
--- a/lib/get-commit.js
+++ b/lib/get-commit.js
@@ -11,7 +11,7 @@ function getCommit (state) {
 
     .then(function (result) {
       const {filename, patch, blob_url: blobUrl} = result.data.files[0]
-      var branchUrl = blobUrl.replace(/(?:blob)(.+)(?=\/)/g, 'blob/' + state.repoDefaultBranch)
+      var branchUrl = blobUrl.replace(/(?:blob\/)(\w+)/g, 'blob/' + state.repoDefaultBranch)
 
       state.commit = {
         message: result.data.commit.message,