diff --git a/pkgs/tools/typesetting/scdoc/default.nix b/pkgs/tools/typesetting/scdoc/default.nix
index f213b7817f2..7ab2a82ed32 100644
--- a/pkgs/tools/typesetting/scdoc/default.nix
+++ b/pkgs/tools/typesetting/scdoc/default.nix
@@ -37,5 +37,6 @@ stdenv.mkDerivation (finalAttrs: {
     license = lib.licenses.mit;
     maintainers = with lib.maintainers; [ primeos AndersonTorres ];
     platforms = lib.platforms.unix;
+    mainProgram = "scdoc";
   };
 })