diff --git a/modules/launchd/launchd.nix b/modules/launchd/launchd.nix
index 2e0e6585..27ddbf42 100644
--- a/modules/launchd/launchd.nix
+++ b/modules/launchd/launchd.nix
@@ -28,6 +28,8 @@
 with lib;
 
 {
+  freeformType = with types; attrsOf anything; # added by Home Manager
+
   options = {
     Label = mkOption {
       type = types.str;
diff --git a/tests/modules/launchd/agents.nix b/tests/modules/launchd/agents.nix
index cbcff6b5..ccf4f6e2 100644
--- a/tests/modules/launchd/agents.nix
+++ b/tests/modules/launchd/agents.nix
@@ -13,6 +13,7 @@ with lib;
           SuccessfulExit = false;
         };
         ProcessType = "Background";
+        UnrecognizedByHomeManager = "should make it to the resulting plist";
       };
     };
 
diff --git a/tests/modules/launchd/expected-agent.plist b/tests/modules/launchd/expected-agent.plist
index c56ad4da..890b9933 100644
--- a/tests/modules/launchd/expected-agent.plist
+++ b/tests/modules/launchd/expected-agent.plist
@@ -19,5 +19,7 @@
 		<string>--with-arguments</string>
 		<string>foo</string>
 	</array>
+	<key>UnrecognizedByHomeManager</key>
+	<string>should make it to the resulting plist</string>
 </dict>
 </plist>
\ No newline at end of file