diff --git a/ci/jenkins/Jenkinsfile b/ci/jenkins/Jenkinsfile
index e86cec2676..b41664b051 100644
--- a/ci/jenkins/Jenkinsfile
+++ b/ci/jenkins/Jenkinsfile
@@ -27,8 +27,8 @@ pipeline {
     environment {
         PROJECT_NAME = "milvus"
         LOWER_BUILD_TYPE = params.BUILD_TYPE.toLowerCase()
-        SEMVER = BRANCH_NAME.contains("/") ? BRANCH_NAME.substring(BRANCH_NAME.lastIndexOf("/") + 1) : "${BRANCH_NAME}"
-        PIPELINE_NAME = env.JOB_NAME.getAt(0..(env.JOB_NAME.indexOf("/") - 1))
+        SEMVER = "${BRANCH_NAME.contains('/') ? BRANCH_NAME.substring(BRANCH_NAME.lastIndexOf('/') + 1) : '${BRANCH_NAME}'}"
+        PIPELINE_NAME = "${env.JOB_NAME.contains('/') ? env.JOB_NAME.getAt(0..(env.JOB_NAME.indexOf('/') - 1)) : '${env.JOB_NAME}'}"
     }
 
     stages {
diff --git a/ci/jenkins/internalJenkinsfile.groovy b/ci/jenkins/internalJenkinsfile.groovy
index a0c56ef823..b162a7b241 100644
--- a/ci/jenkins/internalJenkinsfile.groovy
+++ b/ci/jenkins/internalJenkinsfile.groovy
@@ -18,8 +18,8 @@ pipeline {
     environment {
         PROJECT_NAME = "milvus"
         LOWER_BUILD_TYPE = params.BUILD_TYPE.toLowerCase()
-        SEMVER = BRANCH_NAME.contains("/") ? BRANCH_NAME.substring(BRANCH_NAME.lastIndexOf("/") + 1) : "${BRANCH_NAME}"
-        PIPELINE_NAME = env.JOB_NAME.getAt(0..(env.JOB_NAME.indexOf("/") - 1))
+        SEMVER = "${BRANCH_NAME.contains('/') ? BRANCH_NAME.substring(BRANCH_NAME.lastIndexOf('/') + 1) : '${BRANCH_NAME}'}"
+        PIPELINE_NAME = "${env.JOB_NAME.contains('/') ? env.JOB_NAME.getAt(0..(env.JOB_NAME.indexOf('/') - 1)) : '${env.JOB_NAME}'}"
     }
 
     stages {