diff --git a/nixos/modules/services/home-automation/home-assistant.nix b/nixos/modules/services/home-automation/home-assistant.nix
index 2e91ee55f95ee9..338c61f896774b 100644
--- a/nixos/modules/services/home-automation/home-assistant.nix
+++ b/nixos/modules/services/home-automation/home-assistant.nix
@@ -708,6 +708,9 @@ in {
           "zha"
           "zwave"
           "zwave_js"
+
+          # Custom components, maintained manually.
+          "amshan"
         ];
       in {
         ExecStart = escapeSystemdExecArgs ([