diff --git a/Jenkinsfile b/Jenkinsfile
index f343f6c..7868e86 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -83,7 +83,7 @@ spec:
         stage('Change deployment.yaml to include nexus-secret') {
             steps {
                 container('maven') {
-                    sh 'sed -i '/containers:/i\      imagePullSecrets:\n        - name: nexus-secret' target/helm/kubernetes/example-app/templates/deployment.yaml'
+                    sh 'sed -i "/containers:/i\      imagePullSecrets:\n        - name: nexus-secret" target/helm/kubernetes/example-app/templates/deployment.yaml'
                 }
             }
         }