diff --git a/nixos/modules/system/boot/systemd-unit-options.nix b/nixos/modules/system/boot/systemd-unit-options.nix
index a7a334dec285..d4cab93b26b8 100644
--- a/nixos/modules/system/boot/systemd-unit-options.nix
+++ b/nixos/modules/system/boot/systemd-unit-options.nix
@@ -170,6 +170,15 @@ in rec {
       '';
     };
 
+    onFailure = mkOption {
+      default = [];
+      type = types.listOf types.str;
+      description = ''
+        A list of one or more units that are activated when
+        this unit enters the "failed" state.
+      '';
+    };
+
   };
 
 
diff --git a/nixos/modules/system/boot/systemd.nix b/nixos/modules/system/boot/systemd.nix
index 0b7647093e0f..d145baeebe93 100644
--- a/nixos/modules/system/boot/systemd.nix
+++ b/nixos/modules/system/boot/systemd.nix
@@ -199,6 +199,8 @@ let
           { X-Restart-Triggers = toString config.restartTriggers; }
         // optionalAttrs (config.description != "") {
           Description = config.description;
+        } // optionalAttrs (config.onFailure != []) {
+          OnFailure = toString config.onFailure;
         };
     };
   };