diff --git a/pkgs/applications/office/todoman/default.nix b/pkgs/applications/office/todoman/default.nix
index 65fa7e061fe..a7d93c3b0cb 100644
--- a/pkgs/applications/office/todoman/default.nix
+++ b/pkgs/applications/office/todoman/default.nix
@@ -34,7 +34,7 @@ buildPythonApplication rec {
     rm tests/test_main.py
   '';
 
-  meta = {
+  meta = with stdenv.lib; {
     homepage = https://github.com/pimutils/todoman;
     description = "Standards-based task manager based on iCalendar";
     longDescription = ''
@@ -50,7 +50,8 @@ buildPythonApplication rec {
 
       Todoman is part of the pimutils project
     '';
-    license = stdenv.lib.licenses.isc;
-    maintainers = with stdenv.lib.maintainers; [ leenaars ];
+    license = licenses.isc;
+    maintainers = with maintainers; [ leenaars ];
+    platforms = platforms.linux;
   };
 }