diff --git a/nixos/modules/module-list.nix b/nixos/modules/module-list.nix
index a8adf1977af..7a74fe2d785 100644
--- a/nixos/modules/module-list.nix
+++ b/nixos/modules/module-list.nix
@@ -287,7 +287,7 @@
   ./services/monitoring/monit.nix
   ./services/monitoring/munin.nix
   ./services/monitoring/nagios.nix
-  ./services/monitoring/prometheus.nix
+  ./services/monitoring/prometheus/default.nix
   ./services/monitoring/riemann.nix
   ./services/monitoring/riemann-dash.nix
   ./services/monitoring/riemann-tools.nix
diff --git a/nixos/modules/services/monitoring/prometheus.nix b/nixos/modules/services/monitoring/prometheus/default.nix
similarity index 100%
rename from nixos/modules/services/monitoring/prometheus.nix
rename to nixos/modules/services/monitoring/prometheus/default.nix