diff --git a/pkgs/applications/misc/wtf/default.nix b/pkgs/applications/misc/wtf/default.nix
index e29d58039a04..0ba8c5a97ad9 100644
--- a/pkgs/applications/misc/wtf/default.nix
+++ b/pkgs/applications/misc/wtf/default.nix
@@ -38,6 +38,7 @@ buildGoModule rec {
     changelog = "https://github.com/wtfutil/wtf/raw/v${version}/CHANGELOG.md";
     license = licenses.mpl20;
     maintainers = with maintainers; [ kalbasit ];
+    mainProgram = "wtfutil";
     platforms = platforms.linux ++ platforms.darwin;
     broken = stdenv.isDarwin;
   };