diff --git a/pkgs/kde/gear/okular/default.nix b/pkgs/kde/gear/okular/default.nix
index d55b5cd4bb0b..141d1dc24702 100644
--- a/pkgs/kde/gear/okular/default.nix
+++ b/pkgs/kde/gear/okular/default.nix
@@ -10,6 +10,7 @@
   libzip,
   djvulibre,
   ebook_tools,
+  fetchpatch,
   discount,
 }:
 mkKdeDerivation {
@@ -30,5 +31,12 @@ mkKdeDerivation {
     ebook_tools
     discount
   ];
+  patches = [
+    (fetchpatch {
+      name = "okular-extreme-downsample-fix.patch";
+      url = "https://invent.kde.org/graphics/okular/-/commit/554b4c12aecd5c84c9d47b29de091af1afe8e346.patch";
+      hash = "sha256-S338z+92nBYMP6uqvk7rP9AsIoZ0JJCVu9Wo4NVSufk=";
+    })
+  ];
   meta.mainProgram = "okular";
 }