diff --git a/build/prod/Jenkinsfile b/build/prod/Jenkinsfile
index 95e6ad9..6b5f233 100644
--- a/build/prod/Jenkinsfile
+++ b/build/prod/Jenkinsfile
@@ -9,7 +9,7 @@ stage ('production build') {
             sh "VERSION=${tagNoV} npm run build:prod";
         } else {
             echo 'tag not found'
-            sh "VERSION=master npm run build:prod"
+            sh "VERSION=${branchName} npm run build:prod"
         }
 
         sh 'ls dist';