diff --git a/pkgs/by-name/ip/ipopt/package.nix b/pkgs/by-name/ip/ipopt/package.nix
index 8bd1e2c3e0a5..5d8eb4b9da52 100644
--- a/pkgs/by-name/ip/ipopt/package.nix
+++ b/pkgs/by-name/ip/ipopt/package.nix
@@ -25,6 +25,13 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-85fUBMwQtG+RWQYk9YzdZYK3CYcDKgWroo4blhVWBzE=";
   };
 
+  outputs = [
+    "bin"
+    "dev"
+    "out"
+    "doc"
+  ];
+
   nativeBuildInputs = [
     pkg-config
     gfortran