bin/prep-release in codeclimate-0.15.1 vs bin/prep-release in codeclimate-0.15.2

@@ -36,10 +36,10 @@
 branch_head=$(git rev-parse --short $branch)
 if command -v hub > /dev/null 2>&1; then
   hub pull-request -F - <<EOF
 Release v$version
 
-https://github.com/codeclimate/codeclimate/compare/$old_version...$branch_head
+https://github.com/codeclimate/codeclimate/compare/v$old_version...$branch_head
 EOF
 else
   echo "hub not installed? Please open the PR manually" >&2
 fi