diff --git a/pkgs/applications/editors/leo-editor/default.nix b/pkgs/applications/editors/leo-editor/default.nix
index e583671bcb40..cf4a752b1bd0 100644
--- a/pkgs/applications/editors/leo-editor/default.nix
+++ b/pkgs/applications/editors/leo-editor/default.nix
@@ -63,5 +63,6 @@ mkDerivation rec {
     longDescription = "Leo is a PIM, IDE and outliner that accelerates the work flow of programmers, authors and web designers.";
     license = licenses.mit;
     maintainers = with maintainers; [ leonardoce ];
+    mainProgram = "leo";
   };
 }