diff --git a/setup.py b/setup.py
index a6ba9855..1071456d 100644
--- a/setup.py
+++ b/setup.py
@@ -6,6 +6,8 @@ from cx_Freeze import setup, Executable
 import meshroom
 
 
+currentDir = os.path.dirname(os.path.abspath(__file__))
+
 class PlatformExecutable(Executable):
     """
     Extend cx_Freeze.Executable to handle platform variations.
@@ -32,7 +34,6 @@ class PlatformExecutable(Executable):
         # get icon for platform if defined
         icon = icons.get(platform.system(), None) if icons else None
         if platform.system() in (self.Linux, self.Darwin):
-            currentDir = os.path.dirname(os.path.abspath(__file__))
             initScript = os.path.join(currentDir, "setupInitScriptUnix.py")
         super(PlatformExecutable, self).__init__(script, initScript, base, targetName, icon, shortcutName,
                                                  shortcutDir, copyright, trademarks)
@@ -46,11 +47,12 @@ build_exe_options = {
     ],
     "include_files": ["CHANGES.md", "COPYING.md", "LICENSE-MPL2.md", "README.md"]
 }
-if os.path.isdir("tractor"):
+if os.path.isdir(os.path.join(currentDir, "tractor")):
     build_exe_options["packages"].append("tractor")
-if os.path.isdir("simpleFarm"):
+if os.path.isdir(os.path.join(currentDir, "simpleFarm")):
     build_exe_options["packages"].append("simpleFarm")
 
+
 if platform.system() == PlatformExecutable.Linux:
     # include required system libs
     # from https://github.com/Ultimaker/cura-build/blob/master/packaging/setup_linux.py.in