diff --git a/pkgs/tools/typesetting/rubber/default.nix b/pkgs/tools/typesetting/rubber/default.nix
index 5d605571b83a..2ccee0bae005 100644
--- a/pkgs/tools/typesetting/rubber/default.nix
+++ b/pkgs/tools/typesetting/rubber/default.nix
@@ -50,5 +50,6 @@ python3Packages.buildPythonApplication rec {
     homepage = "https://gitlab.com/latex-rubber/rubber";
     maintainers = with maintainers; [ ttuegel peterhoeg ];
     platforms = platforms.unix;
+    mainProgram = "rubber";
   };
 }