diff --git a/pkgs/applications/audio/zrythm/default.nix b/pkgs/applications/audio/zrythm/default.nix
index 9500c63a7af..7b92626d5b3 100644
--- a/pkgs/applications/audio/zrythm/default.nix
+++ b/pkgs/applications/audio/zrythm/default.nix
@@ -160,6 +160,7 @@ stdenv.mkDerivation rec {
   preFixup = ''
     gappsWrapperArgs+=(
       --prefix GSETTINGS_SCHEMA_DIR : "$out/share/gsettings-schemas/${pname}-${version}/glib-2.0/schemas/"
+      --prefix XDG_DATA_DIRS : "$XDG_ICON_DIRS"
              )
   '';