diff --git a/machines/compute01/stirling-pdf.nix b/machines/compute01/stirling-pdf.nix
index 0849983..7c83fe1 100644
--- a/machines/compute01/stirling-pdf.nix
+++ b/machines/compute01/stirling-pdf.nix
@@ -1,10 +1,18 @@
 { nixpkgs, ... }:
 
+let
+  dgn-id = "57ac2e06a00384772bf63f055874ce2fefe4eb0a";
+in
+
 {
   services.stirling-pdf = {
     enable = true;
 
-    package = nixpkgs.unstable.stirling-pdf;
+    package = nixpkgs.unstable.stirling-pdf.overrideAttrs (old: {
+      patches = (old.patches or [ ]) ++ [
+        (builtins.fetchurl "https://git.dgnum.eu/DGNum/Stirling-PDF/commit/${dgn-id}.patch")
+      ];
+    });
 
     domain = "pdf.dgnum.eu";
     port = 8084;