diff --git a/Jenkinsfile b/Jenkinsfile
index 7c85059..d665a57 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -10,6 +10,12 @@ pipeline {
   }
 
   stages {
+    stage('cleaning workspace') {
+      steps {
+        sh "rm -rf ${env.WORKSPACE}/publish"
+      }
+    }
+
     stage('nuget restore') {
       steps {
         sh "dotnet restore ${env.WORKSPACE}/src/PiwigoDotnet.sln"