diff --git a/Jenkinsfile_evaluation b/Jenkinsfile_evaluation
index 7577564..95f4972 100644
--- a/Jenkinsfile_evaluation
+++ b/Jenkinsfile_evaluation
@@ -29,7 +29,7 @@ pipeline {
 		}
 		stage('Archive artifacts') {
 			steps{
-				archiveArtifacts artifacts: 'evaluation.txt', 'mean_square_error.png'
+				archiveArtifacts artifacts: 'evaluation.txt, mean_square_error.png'
 			}
 		}
     }