diff --git a/plinth/modules/wireguard/__init__.py b/plinth/modules/wireguard/__init__.py
index 0dc632196..49297e1e4 100644
--- a/plinth/modules/wireguard/__init__.py
+++ b/plinth/modules/wireguard/__init__.py
@@ -95,4 +95,5 @@ class WireguardApp(app_module.App):
     def setup(self, old_version):
         """Install and configure the app."""
         super().setup(old_version)
-        self.enable()
+        if not old_version:
+            self.enable()