diff --git a/pkgs/tools/security/pinentry/default.nix b/pkgs/tools/security/pinentry/default.nix
index dca48f4e2108..baa78521f345 100644
--- a/pkgs/tools/security/pinentry/default.nix
+++ b/pkgs/tools/security/pinentry/default.nix
@@ -2,7 +2,7 @@
 , libgpg-error, libassuan, qtbase, wrapQtAppsHook
 , ncurses, gtk2, gcr
 , withLibsecret ? true, libsecret
-, enabledFlavors ? [ "curses" "tty" "emacs" ]
+, enabledFlavors ? [ "curses" "tty" "gtk2" "emacs" ]
   ++ lib.optionals stdenv.isLinux [ "gnome3" ]
   ++ lib.optionals (!stdenv.isDarwin) [ "qt" ]
 }: