diff --git a/pkgs/applications/graphics/viewnior/default.nix b/pkgs/applications/graphics/viewnior/default.nix
index 70d28b6e5aee6..227c57a17d8e5 100644
--- a/pkgs/applications/graphics/viewnior/default.nix
+++ b/pkgs/applications/graphics/viewnior/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchFromGitHub, fetchpatch, meson, ninja, pkg-config, desktop-file-utils, gtk3, libpng, exiv2, lcms
-, intltool, gettext, shared-mime-info, glib, gdk-pixbuf, perl}:
+, intltool, gettext, shared-mime-info, glib, gdk-pixbuf, perl, wrapGAppsHook, webp-pixbuf-loader, gnome}:
 
 stdenv.mkDerivation rec {
   pname = "viewnior-gtk3";
@@ -22,6 +22,7 @@ stdenv.mkDerivation rec {
     desktop-file-utils
     intltool
     gettext
+    wrapGAppsHook
   ];
 
   buildInputs = [
@@ -35,6 +36,16 @@ stdenv.mkDerivation rec {
     perl
   ];
 
+  postInstall = ''
+    export GDK_PIXBUF_MODULE_FILE="${
+      gnome._gdkPixbufCacheBuilder_DO_NOT_USE {
+        extraLoaders = [
+          webp-pixbuf-loader
+        ];
+      }
+    }"
+  '';
+
   meta = with lib; {
     description = "Fast and simple image viewer";
     longDescription =