diff --git a/Jenkinsfile b/Jenkinsfile
index a6ec4d8..2f8e622 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -2,13 +2,9 @@ pipeline {
     agent any
 
     environment {
-        BUILD_ENV = "pcb_rev_1-4_serial"
         PIO_HOME_DIR = "${WORKSPACE}/.pio"
         VENV_PATH = "${WORKSPACE}/Software/.venv"
     }
-
-    def allEnvironments = ['pcb_rev_1-2_serial', 'pcb_rev_1-3_serial', 'pcb_rev_1-4_serial']
-
     stages {
 
         stage('🧰 Setup PlatformIO') {
@@ -40,11 +36,12 @@ wifi_ap_password = DummyAP
             steps {
                 dir('Software') {
                     script {
-                        // Build Firmware for each environment
+                        def allEnvironments = ['pcb_rev_1-2_serial', 'pcb_rev_1-3_serial', 'pcb_rev_1-4_serial']
                         for (envName in allEnvironments) {
                             echo "🔧 Baue Firmware für: ${envName}"
                             sh "${env.VENV_PATH}/bin/platformio run -e ${envName}"
                         }
+                        env.REPRESENTATIVE_ENV = allEnvironments[0]
                     }
                 }
             }
@@ -53,8 +50,10 @@ wifi_ap_password = DummyAP
         stage('📁 Build Filesystem') {
             steps {
                 dir('Software') {
-                    echo "📁 Baue Filesystem für ${allEnvironments[0]} (repräsentativ)"
-                    sh "${env.VENV_PATH}/bin/platformio run -t buildfs -e ${allEnvironments[0]}"
+                    script {
+                        echo "📁 Baue Filesystem für ${env.REPRESENTATIVE_ENV} (repräsentativ)"
+                        sh "${env.VENV_PATH}/bin/platformio run -t buildfs -e ${env.REPRESENTATIVE_ENV}"
+                    }
                 }
             }
         }