diff --git a/Pilot/pilotCommands.py b/Pilot/pilotCommands.py
index f8d11c68..1474ff01 100644
--- a/Pilot/pilotCommands.py
+++ b/Pilot/pilotCommands.py
@@ -30,6 +30,7 @@ def __init__(self, pilotParams):
 import socket
 import filecmp
 import shutil
+import platform
 from collections import Counter
 from distutils.version import LooseVersion
 
@@ -256,11 +257,26 @@ def _locateInstallationScript(self):
         except OSError:
             pass
 
-    def _setupFromPreinstalledLocation(self):
+    def _getPreinstalledEnvScript(self):
+        """ Get preinstalled environment script if any """
+
+        arch = platform.system() + "-" + platform.machine()
+        preinstalledEnvScript = self.pp.preinstalledEnv
+        if not preinstalledEnvScript and self.pp.preinstalledEnvPrefix:
+            version = self.pp.releaseVersion or "pro"
+            preinstalledEnvScript = os.path.join(self.pp.preinstalledEnvPrefix, version, arch, "diracosrc")
+
+        if os.path.isfile(preinstalledEnvScript):
+           self.pp.preinstalledEnv = preinstalledEnvScript
+           return preinstalledEnvScript
+
+        return None
+
+    def _setupFromPreinstalledLocation(self, preinstalledEnvScript):
         """ Set up a preinstalled DIRAC client"""
 
-        # setting up the client environment
-        retCode, output = self.executeAndGetOutput('bash -c "source %s && env"' % self.pp.preinstalledEnv, self.pp.installEnv)
+        retCode, output = self.executeAndGetOutput('bash -c "source %s && env"' % preinstalledEnvScript,
+                                                   self.pp.installEnv)
         self.pp.installEnv = {}
         if retCode:
             self.log.error("Could not parse the diracos/diracosrc file [ERROR %d]" % retCode)
@@ -420,8 +436,8 @@ def _installDIRACpy3(self):
     def execute(self):
         """What is called all the time"""
 
-        if self.pp.preinstalledEnv and os.path.exists(self.pp.preinstalledEnv):
-            self._setupFromPreinstalledLocation()
+        if preinstalledEnvScript := self._getPreinstalledEnvScript():
+            self._setupFromPreinstalledLocation(preinstalledEnvScript)
         elif self.pp.pythonVersion == "27":
             self._setInstallOptions()
             self._locateInstallationScript()
diff --git a/Pilot/pilotTools.py b/Pilot/pilotTools.py
index e1343cc0..1fa37098 100644
--- a/Pilot/pilotTools.py
+++ b/Pilot/pilotTools.py
@@ -683,6 +683,7 @@ def __init__(self):
         # If DIRAC is preinstalled this file will receive the updates of the local configuration
         self.localConfigFile = "pilot.cfg"
         self.preinstalledEnv = ""
+        self.preinstalledEnvPrefix = ""
         self.executeCmd = False
         self.configureScript = "dirac-configure"
         self.architectureScript = "dirac-platform"
@@ -758,7 +759,8 @@ def __init__(self):
             ("", "pythonVersion=", "Python version of DIRAC client to install"),
             ("", "defaultsURL=", "user-defined URL for global config"),
             ("", "pilotUUID=", "pilot UUID"),
-            ("", "preinstalledEnv=", "preinstalled pilot environment script location")
+            ("", "preinstalledEnv=", "preinstalled pilot environment script location"),
+            ("", "preinstalledEnvPrefix=", "preinstalled pilot environment area prefix"),
         )
 
         # Possibly get Setup and JSON URL/filename from command line
@@ -895,6 +897,8 @@ def __initCommandLine2(self):
                 self.defaultsURL = v
             elif o == "--preinstalledEnv":
                 self.preinstalledEnv = v
+            elif o == "--preinstalledEnvPrefix":
+                self.preinstalledEnvPrefix = v
 
     def __initJSON(self):
         """Retrieve pilot parameters from the content of json file. The file should be something like: