diff --git a/Jenkinsfile b/Jenkinsfile
index c80bcfa..438a99a 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -64,7 +64,7 @@ pipeline {
             bat "e:\\fart.exe SteamWareLib\\SteamWare.cs 1.0.0.0 ${env.versionNumber}${env.classifier} || EXIT /B 0"
             bat "e:\\nuget.exe restore ${WORKSPACE}\\SteamWare.sln"
             // elimino vecchie build...
-            bat "rm -rdf *.nupkg"
+            bat "del /f /q *.nupkg"
             // BUILD!
             bat "\"${tool 'MSBuild-16.0'}\" SteamWareLib\\SteamWare.csproj -target:Build /p:Configuration=${env.config} /p:Platform=\"Any CPU\" /p:OutputPath=bin/${env.config} /m"
             // creo package NuGet...