diff --git a/ci/scripts/check_ccache.sh b/ci/scripts/check_ccache.sh
index 66c2788c71..9477433876 100755
--- a/ci/scripts/check_ccache.sh
+++ b/ci/scripts/check_ccache.sh
@@ -57,7 +57,7 @@ do
     fi
 done
 
-if [[ ${BRANCH_NAME} =~ "PR-" && ! -n ${CHANGE_BRANCH} ]];then
+if [[ -n "${CHANGE_BRANCH}" && "${BRANCH_NAME}" =~ "PR-" ]];then
     echo "fetching ${CHANGE_BRANCH}/ccache-${OS_NAME}-${CODE_NAME}-${BUILD_ENV_DOCKER_IMAGE_ID}.tar.gz"
     wget -q --method HEAD "${ARTIFACTORY_URL}/${CHANGE_BRANCH}/ccache-${OS_NAME}-${CODE_NAME}-${BUILD_ENV_DOCKER_IMAGE_ID}.tar.gz"
     if [[ $? == 0 ]];then