diff --git a/pkgs/tools/system/efivar/default.nix b/pkgs/tools/system/efivar/default.nix
index e77d44875820..5c9b0292e5c0 100644
--- a/pkgs/tools/system/efivar/default.nix
+++ b/pkgs/tools/system/efivar/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, buildPackages, fetchFromGitHub, pkgconfig, popt }:
+{ stdenv, buildPackages, fetchFromGitHub, fetchurl, pkgconfig, popt }:
 
 stdenv.mkDerivation rec {
   name = "efivar-${version}";
@@ -12,6 +12,13 @@ stdenv.mkDerivation rec {
     rev = version;
     sha256 = "1z2dw5x74wgvqgd8jvibfff0qhwkc53kxg54v12pzymyibagwf09";
   };
+  patches = [
+    (fetchurl {
+      name = "r13y.patch";
+      url = "https://patch-diff.githubusercontent.com/raw/rhboot/efivar/pull/133.patch";
+      sha256 = "038cwldb8sqnal5l6mhys92cqv8x7j8rgsl8i4fiv9ih9znw26i6";
+    })
+  ];
 
   nativeBuildInputs = [ pkgconfig ];
   buildInputs = [ popt ];