diff --git a/Ultimaker-Cura.spec.jinja b/Ultimaker-Cura.spec.jinja
index f7108d5aec..9c73e8a4ca 100644
--- a/Ultimaker-Cura.spec.jinja
+++ b/Ultimaker-Cura.spec.jinja
@@ -39,7 +39,7 @@ exe = EXE(
     debug=False,
     bootloader_ignore_signals=False,
     strip=False,
-    upx=True,
+    upx={{ upx }},
     console=False,
     disable_windowed_traceback=False,
     argv_emulation=False,
diff --git a/conanfile.py b/conanfile.py
index 80df016d6f..60d6c63823 100644
--- a/conanfile.py
+++ b/conanfile.py
@@ -188,7 +188,8 @@ class CuraConan(ConanFile):
                 hiddenimports = pyinstaller_metadata["hiddenimports"],
                 collect_all = pyinstaller_metadata["collect_all"],
                 icon = icon_path,
-                entitlements_file = entitlements_file
+                entitlements_file = entitlements_file,
+                upx = str(self.settings.os == "Windows")
             ))
 
     def source(self):