diff --git a/pkgs/applications/kde/kmime.nix b/pkgs/applications/kde/kmime.nix
index a5f7b11101e..b18a3f7fdc1 100644
--- a/pkgs/applications/kde/kmime.nix
+++ b/pkgs/applications/kde/kmime.nix
@@ -12,4 +12,5 @@ mkDerivation {
   };
   nativeBuildInputs = [ extra-cmake-modules ki18n ];
   buildInputs = [ kcodecs qtbase ];
+  outputs = [ "out" "dev" ];
 }