diff --git a/modules/nixos/django-apps/default.nix b/modules/nixos/django-apps/default.nix
index 4932f50..54f2cff 100644
--- a/modules/nixos/django-apps/default.nix
+++ b/modules/nixos/django-apps/default.nix
@@ -843,6 +843,7 @@ in
                     User
                     ;
 
+                  RuntimeDirectoryPreserve = true; # avoid deletion of the socket for the main unit
                   WorkingDirectory = "/var/lib/django-apps/${name}/source";
                   DynamicUser = true;
                 };