diff --git a/pkgs/build-support/build-mozilla-mach/default.nix b/pkgs/build-support/build-mozilla-mach/default.nix
index a91060148cba..f2b1a88afebf 100644
--- a/pkgs/build-support/build-mozilla-mach/default.nix
+++ b/pkgs/build-support/build-mozilla-mach/default.nix
@@ -348,6 +348,19 @@ buildStdenv.mkDerivation {
       # https://bugzilla.mozilla.org/show_bug.cgi?id=2046162
       ./153-cbindgen-0.29.4-compat.patch
     ]
+    ++
+      lib.optionals (lib.versionAtLeast version "153" && lib.versionOlder apple-sdk_26.version "26.5")
+        [
+          (fetchpatch {
+            url = "https://github.com/mozilla-firefox/firefox/commit/aeec1ac9fb000105dac8eb7b20de817c5fc231b9.patch";
+            hash = "sha256-gF4zten+A1kgt2EMXQx77Q6vO+s26ZijgkNAJEZ+aUw=";
+            revert = true;
+            includes = [
+              "build/moz.configure/toolchain.configure"
+              "python/mozbuild/mozbuild/test/configure/macos_fake_sdk/SDKSettings.plist"
+            ];
+          })
+        ]
     ++ extraPatches;
 
   postPatch = ''