diff --git a/Jenkinsfile_evaluation b/Jenkinsfile_evaluation
index c92e111..0e90d1d 100644
--- a/Jenkinsfile_evaluation
+++ b/Jenkinsfile_evaluation
@@ -29,6 +29,7 @@ pipeline {
         stage('evaluation') {
 			steps {
                 sh 'chmod +x ./tensor-eval.py'
+                sh 'rm -rf ./evaluation.csv'
                 sh 'python3 ./tensor-eval.py $BUILD_NUMBER >> evaluation.txt'
                 sh 'cat ./evaluation.csv'
                 sh 'python3 ./tensor-plot.py'