1 files changed, 6 insertions, 0 deletions
diff --git a/nixos/modules/services/monitoring/nagios.nix b/nixos/modules/services/monitoring/nagios.nix
index c1f7ba0eca7..f2f7710de9e 100644
--- a/nixos/modules/services/monitoring/nagios.nix
+++ b/nixos/modules/services/monitoring/nagios.nix
@@ -94,7 +94,9 @@ in
       };
 
       plugins = mkOption {
+        type = types.listOf types.package;
         default = [pkgs.nagiosPluginsOfficial pkgs.ssmtp];
+        defaultText = "[pkgs.nagiosPluginsOfficial pkgs.ssmtp]";
         description = "
           Packages to be added to the Nagios <envar>PATH</envar>.
           Typically used to add plugins, but can be anything.
@@ -102,14 +104,18 @@ in
       };
 
       mainConfigFile = mkOption {
+        type = types.package;
         default = nagiosCfgFile;
+        defaultText = "nagiosCfgFile";
         description = "
           Derivation for the main configuration file of Nagios.
         ";
       };
 
       cgiConfigFile = mkOption {
+        type = types.package;
         default = nagiosCGICfgFile;
+        defaultText = "nagiosCGICfgFile";
         description = "
           Derivation for the configuration file of Nagios CGI scripts
           that can be used in web servers for running the Nagios web interface.