diff --git a/nixos/modules/services/networking/deconz.nix b/nixos/modules/services/networking/deconz.nix
index 88b0ee612d87..e023f8e866c0 100644
--- a/nixos/modules/services/networking/deconz.nix
+++ b/nixos/modules/services/networking/deconz.nix
@@ -122,6 +122,7 @@ in
         RuntimeDirectory = name;
         RuntimeDirectoryMode = "0700";
         StateDirectory = name;
+        SuccessExitStatus = [ 143 ];
         WorkingDirectory = stateDir;
         # For access to /dev/ttyACM0 (ConBee).
         SupplementaryGroups = [ "dialout" ];