diff --git a/nixos/modules/module-list.nix b/nixos/modules/module-list.nix
index a9ed8f251283..c4958c36ea00 100644
--- a/nixos/modules/module-list.nix
+++ b/nixos/modules/module-list.nix
@@ -977,6 +977,7 @@
   ./services/security/shibboleth-sp.nix
   ./services/security/sks.nix
   ./services/security/sshguard.nix
+  ./services/security/sslmate-agent.nix
   ./services/security/step-ca.nix
   ./services/security/tor.nix
   ./services/security/torify.nix