diff --git a/cd.sh b/cd.sh
index 6fec4d3..f1ee1f8 100644
--- a/cd.sh
+++ b/cd.sh
@@ -30,8 +30,8 @@ case "${CD_OS_NAME}" in
     ;;
 esac
 # project / branch
-[ "${CI_COMMIT_BRANCH}" ] && export CD_PROJECT_BRANCH="${CI_COMMIT_BRANCH}"
-[ "${GITHUB_REF_NAME}" ] && export CD_PROJECT_BRANCH="${GITHUB_REF_NAME}"
+[ "${CI_COMMIT_BRANCH}" ] && CD_PROJECT_BRANCH="${CI_COMMIT_BRANCH}"
+[ "${GITHUB_REF_NAME}" ] && CD_PROJECT_BRANCH="${GITHUB_REF_NAME}"
 if [ ! "${CD_PROJECT_BRANCH}" ] ; then
     echo 'CD_PROJECT_BRANCH'
     exit 3