diff --git a/Jenkinsfile b/Jenkinsfile
index e2af40dc..b2c4018b 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -83,6 +83,8 @@ pipeline {
 
           // elimino files inutili di resources e pubblico
           bat "RD /S /Q IOB-WIN\\Resources"
+          // elimino vecchio zip...
+          bat "RD /S /Q ${WORKSPACE}\\Releases\\${env.BRANCH_NAME}\\MAPO-IOB-WIN.zip"
           // Compressione in .zip dell'installer...
           bat "e:\\7za.exe a -tzip ${WORKSPACE}\\Releases\\${env.BRANCH_NAME}\\MAPO-IOB-WIN.zip ${WORKSPACE}\\IOB-WIN\\bin\\*"
           // copio