diff --git a/Jenkinsfile b/Jenkinsfile
index c25532e..1f76ac9 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -231,7 +231,17 @@ def sendSlack(status, colorCode) {
 
 // funzione x fix pacchetti nuget da NOSTRO repo Nexus con proxy
 def fixNuget(solutionFile) {
-  bat "e:\\nuget setapikey fe387daa-d07c-3207-877e-96c8be1be91b -source http://nexus.steamware.net/repository/nuget-group"
-      bat "e:\\nuget sources Add -Name \"Steamware Nexus\" -Source http://nexus.steamware.net/repository/nuget-group"
-      bat "e:\\nuget.exe restore ${solutionFile}"
+  // bat "e:\\nuget setapikey fe387daa-d07c-3207-877e-96c8be1be91b -source http://nexus.steamware.net/repository/nuget-group"
+  // solo la prima volta va aggiunta...
+  hasSource = bat "e:\\nuget sources list | find \"Steamware\" /C"
+  if (hasSource == "0")
+  {
+    bat "e:\\nuget sources Add -Name \"Steamware Nexus\" -Source http://nexus.steamware.net/repository/nuget-group -username \"nugetUser\" -password \"viaDante16\""
+  }
+  else
+  {
+    bat "e:\\nuget sources Update -Name \"Steamware Nexus\" -Source http://nexus.steamware.net/repository/nuget-group -username \"nugetUser\" -password \"viaDante16\""
+  }
+  //bat "e:\\nuget setapikey fe387daa-d07c-3207-877e-96c8be1be91b -source http://nexus.steamware.net/repository/nuget-group"
+  bat "e:\\nuget.exe restore ${solutionFile}"
 }
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