diff --git a/Jenkinsfile4 b/Jenkinsfile4
index 35b5d86..170338b 100644
--- a/Jenkinsfile4
+++ b/Jenkinsfile4
@@ -58,9 +58,7 @@ pipeline {
             steps {
                 script {
                     docker.image('test-image').inside {
-                        // Step: Run ipynb script
-                        sh "mkdir /notebooks"
-                        sh "cp Biblioteka_DL_trenowanie.ipynb /notebooks/Biblioteka_DL_trenowanie.ipynb"
+                        docker.cp('Biblioteka_DL_trenowanie.ipynb', '/Biblioteka_DL_trenowanie.ipynb')
                     }
                 }
             }