diff --git a/pkgs/desktops/xfce/core/tumbler/default.nix b/pkgs/desktops/xfce/core/tumbler/default.nix
index f43a465ed98b..302a635f0904 100644
--- a/pkgs/desktops/xfce/core/tumbler/default.nix
+++ b/pkgs/desktops/xfce/core/tumbler/default.nix
@@ -8,6 +8,7 @@
 , libgsf
 , poppler
 , gst_all_1
+, webp-pixbuf-loader
 , libxfce4util
 }:
 
@@ -32,6 +33,12 @@ mkXfceDerivation {
     poppler # technically the glib binding
   ];
 
+  preFixup = ''
+    gappsWrapperArgs+=(
+      --prefix XDG_DATA_DIRS : "${webp-pixbuf-loader}/share"
+    )
+  '';
+
   # WrapGAppsHook won't touch this binary automatically, so we wrap manually.
   postFixup = ''
     wrapProgram $out/lib/tumbler-1/tumblerd "''${gappsWrapperArgs[@]}"