diff --git a/pkgs/by-name/fl/flowblade/package.nix b/pkgs/by-name/fl/flowblade/package.nix
index f1feffd63bcc..76971b36db47 100644
--- a/pkgs/by-name/fl/flowblade/package.nix
+++ b/pkgs/by-name/fl/flowblade/package.nix
@@ -57,6 +57,8 @@ stdenv.mkDerivation rec {
     makeWrapper $out/flowblade/flowblade $out/bin/flowblade \
       --set FREI0R_PATH ${frei0r}/lib/frei0r-1 \
       --set LADSPA_PATH ${ladspaPlugins}/lib/ladspa \
+      --set GDK_BACKEND x11 \
+      --set SDL_VIDEODRIVER x11 \
       --prefix PATH : "${lib.makeBinPath [ ffmpeg ]}" \
       ''${gappsWrapperArgs[@]}