diff --git a/pkgs/applications/science/math/sage/sage-src.nix b/pkgs/applications/science/math/sage/sage-src.nix
index 1af5ce805698..d890a65230cb 100644
--- a/pkgs/applications/science/math/sage/sage-src.nix
+++ b/pkgs/applications/science/math/sage/sage-src.nix
@@ -79,6 +79,13 @@ stdenv.mkDerivation rec {
       url = "https://github.com/sagemath/sage/commit/1a73b3bbbfa0f4a297e05d49305070e1ed5ae598.diff";
       sha256 = "sha256-k8Oam+EiRcfXC7qCdLacCx+7vpUAw2K1wsjKcQbeGb4=";
     })
+
+    # https://github.com/sagemath/sage/pull/35825, landed in 10.1.beta6
+    (fetchpatch {
+      name = "singular-4.3.2p2-upgrade.patch";
+      url = "https://github.com/sagemath/sage/commit/1a1b49f814cdf4c4c8d0ac8930610f3fef6af5b0.diff";
+      sha256 = "sha256-GqMgoi0tsP7zcCcPumhdsbvhPB6fgw1ufx6gHlc6iSc=";
+    })
   ];
 
   patches = nixPatches ++ bugfixPatches ++ packageUpgradePatches;