diff --git a/Jenkinsfile_evaluation b/Jenkinsfile_evaluation
index 2de5d1c..c7f02a2 100644
--- a/Jenkinsfile_evaluation
+++ b/Jenkinsfile_evaluation
@@ -18,13 +18,6 @@ pipeline {
             description: 'Which build to use for copying artifacts',
             name: 'WHICH_BUILD_EVAL'
       )
-      string(
-            defaultValue: '0',
-            description: 'Build number of s430705-training',
-            name: 'buildNumber',
-            trim: false
-      )
-
       gitParameter branchFilter: 'origin/(.*)', defaultValue: 'master', name: 'BRANCH', type: 'PT_BRANCH'
   }
 
@@ -38,7 +31,7 @@ pipeline {
         }
       stage('Evaluation') {
          steps {
-         	sh "buildNumber=$(echo ${env.BUILD_NUMBER})"
+         	sh 'buildNumber=$(echo ${env.BUILD_NUMBER})'
             sh 'python3 "./lab06-eval.py $buildNumber"'
             sh 'python3 "./lab06-plot.py"'
             sh 'python3 "./lab07_sacred01.py"'